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3487 = 11317
BaseRepresentation
bin110110011111
311210011
4312133
5102422
624051
713111
oct6637
94704
103487
112690
122027
131783
1413b1
151077
hexd9f

3487 has 4 divisors (see below), whose sum is σ = 3816. Its totient is φ = 3160.

The previous prime is 3469. The next prime is 3491. The reversal of 3487 is 7843.

Subtracting 3487 from its reverse (7843), we obtain a square (4356 = 662).

It can be divided in two parts, 34 and 87, that added together give a palindrome (121).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3487 - 27 = 3359 is a prime.

It is a pancake number, because a pancake can be divided into 3487 parts by 83 straight cuts.

It is a Duffinian number.

3487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148 + ... + 169.

It is an arithmetic number, because the mean of its divisors is an integer number (954).

23487 is an apocalyptic number.

3487 is a deficient number, since it is larger than the sum of its proper divisors (329).

3487 is a wasteful number, since it uses less digits than its factorization.

3487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its digits is 672, while the sum is 22.

The square root of 3487 is about 59.0508255658. The cubic root of 3487 is about 15.1641236059.

The spelling of 3487 in words is "three thousand, four hundred eighty-seven".

Divisors: 1 11 317 3487