355620630 has 32 divisors (see below), whose sum is σ = 856525824. Its totient is φ = 94494816.

The previous prime is 355620613. The next prime is 355620631. The reversal of 355620630 is 36026553.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355620631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12454 + ... + 29433.

It is an arithmetic number, because the mean of its divisors is an integer number (26766432).

Almost surely, 2^355620630 is an apocalyptic number.

355620630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

355620630 is an abundant number, since it is smaller than the sum of its proper divisors (500905194).

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

355620630 is a wasteful number, since it uses less digits than its factorization.

355620630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42180.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 355620630 is about 18857.9062994809. The cubic root of 355620630 is about 708.4822634328.

The spelling of 355620630 in words is "three hundred fifty-five million, six hundred twenty thousand, six hundred thirty".