355616604 has 72 divisors (see below), whose sum is σ = 1040399360. Its totient is φ = 100312992.

The previous prime is 355616603. The next prime is 355616621. The reversal of 355616604 is 406616553.

355616604 is a `hidden beast` number, since 35 + 5 + 6 + 16 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355616603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10977 + ... + 28839.

Almost surely, 2^355616604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355616604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520199680).

355616604 is an abundant number, since it is smaller than the sum of its proper divisors (684782756).

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

355616604 is a wasteful number, since it uses less digits than its factorization.

355616604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17959 (or 17954 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 355616604 is about 18857.7995535004. The cubic root of 355616604 is about 708.4795898343.

The spelling of 355616604 in words is "three hundred fifty-five million, six hundred sixteen thousand, six hundred four".