920604 has 12 divisors (see below), whose sum is σ = 2148104. Its totient is φ = 306864.

The previous prime is 920561. The next prime is 920609. The reversal of 920604 is 406029.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920604.

It is not an unprimeable number, because it can be changed into a prime (920609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38347 + ... + 38370.

2⁹²⁰⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

920604 is an abundant number, since it is smaller than the sum of its proper divisors (1227500).

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

920604 is a wasteful number, since it uses less digits than its factorization.

920604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76724 (or 76722 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 920604 is about 959.4811097671. The cubic root of 920604 is about 97.2801621560.

The spelling of 920604 in words is "nine hundred twenty thousand, six hundred four".