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BaseRepresentation
bin110110001101
311202111
4312031
5102334
624021
713054
oct6615
94674
103469
112674
122011
13176b
14139b
151064
hexd8d

3469 has 2 divisors, whose sum is σ = 3470. Its totient is φ = 3468.

The previous prime is 3467. The next prime is 3491. The reversal of 3469 is 9643.

3469 is nontrivially palindromic in base 16.

It is an a-pointer prime, because the next prime (3491) can be obtained adding 3469 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2025 + 1444 = 45^2 + 38^2 .

It is an emirp because it is prime and its reverse (9643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3469 - 21 = 3467 is a prime.

It is a super-2 number, since 2×34692 = 24067922, which contains 22 as substring.

Together with 3467, it forms a pair of twin primes.

3469 is an undulating number in base 16.

It is a plaindrome in base 10 and base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734 + 1735.

It is an arithmetic number, because the mean of its divisors is an integer number (1735).

23469 is an apocalyptic number.

It is an amenable number.

3469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3469 is an equidigital number, since it uses as much as digits as its factorization.

3469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 3469 is about 58.8982172905. The cubic root of 3469 is about 15.1379860241.

It can be divided in two parts, 34 and 69, that multiplied together give a triangular number (2346 = T68).

The spelling of 3469 in words is "three thousand, four hundred sixty-nine".