812604 has 24 divisors (see below), whose sum is σ = 2042320. Its totient is φ = 249984.

The previous prime is 812599. The next prime is 812627. The reversal of 812604 is 406218.

812604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

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, 2449 + ... + 2760.

2⁸¹²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

812604 is an abundant number, since it is smaller than the sum of its proper divisors (1229716).

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

812604 is a wasteful number, since it uses less digits than its factorization.

812604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 812604 is about 901.4455058405. The cubic root of 812604 is about 93.3167600958.

The spelling of 812604 in words is "eight hundred twelve thousand, six hundred four".