345593856 has 48 divisors (see below), whose sum is σ = 921375000. Its totient is φ = 115195904.

The previous prime is 345593813. The next prime is 345593861. The reversal of 345593856 is 658395543.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×345593856² = 238870226609897472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21981 + ... + 34268.

Almost surely, 2^345593856 is an apocalyptic number.

It is an amenable number.

345593856 is an abundant number, since it is smaller than the sum of its proper divisors (575781144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345593856 is an equidigital number, since it uses as much as digits as its factorization.

345593856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56274 (or 56254 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 48.

The square root of 345593856 is about 18590.1548137717. The cubic root of 345593856 is about 701.7600985434.

The spelling of 345593856 in words is "three hundred forty-five million, five hundred ninety-three thousand, eight hundred fifty-six".