355620 has 24 divisors (see below), whose sum is σ = 995904. Its totient is φ = 94816.

The previous prime is 355609. The next prime is 355633. The reversal of 355620 is 26553.

It is an unprimeable number.

355620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2904 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (41496).

2³⁵⁵⁶²⁰ is an apocalyptic number.

355620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355620 is an abundant number, since it is smaller than the sum of its proper divisors (640284).

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

355620 is a wasteful number, since it uses less digits than its factorization.

355620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 355620 is about 596.3388298610. The cubic root of 355620 is about 70.8481845062.

The spelling of 355620 in words is "three hundred fifty-five thousand, six hundred twenty".