355560 has 32 divisors (see below), whose sum is σ = 1067040. Its totient is φ = 94784.

The previous prime is 355559. The next prime is 355571. The reversal of 355560 is 65553.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 355560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (33345).

2³⁵⁵⁵⁶⁰ is an apocalyptic number.

355560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355560 is an abundant number, since it is smaller than the sum of its proper divisors (711480).

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

355560 is a wasteful number, since it uses less digits than its factorization.

355560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 355560 is about 596.2885207683. The cubic root of 355560 is about 70.8441997939.

The spelling of 355560 in words is "three hundred fifty-five thousand, five hundred sixty".