3481969 has 2 divisors, whose sum is σ = 3481970. Its totient is φ = 3481968.

The previous prime is 3481967. The next prime is 3481979. The reversal of 3481969 is 9691843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2934369 + 547600 = 1713^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 3481969 - 2¹ = 3481967 is a prime.

It is a super-2 number, since 2×3481969² = 24248216233922, which contains 22 as substring.

Together with 3481967, it forms a pair of twin primes.

3481969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3481967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740984 + 1740985.

It is an arithmetic number, because the mean of its divisors is an integer number (1740985).

Almost surely, 2^3481969 is an apocalyptic number.

It is an amenable number.

3481969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481969 is an equidigital number, since it uses as much as digits as its factorization.

3481969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 3481969 is about 1866.0034833837. The cubic root of 3481969 is about 151.5682722640.

The spelling of 3481969 in words is "three million, four hundred eighty-one thousand, nine hundred sixty-nine".