873506904 has 32 divisors (see below), whose sum is σ = 2213686320. Its totient is φ = 287179776.

The previous prime is 873506899. The next prime is 873506911. The reversal of 873506904 is 409605378.

It is a happy number.

It is a super-2 number, since 2×873506904² = 1526028622671330432, which contains 22 as substring.

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, 247537 + ... + 251040.

Almost surely, 2^873506904 is an apocalyptic number.

It is an amenable number.

873506904 is an abundant number, since it is smaller than the sum of its proper divisors (1340179416).

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

873506904 is a wasteful number, since it uses less digits than its factorization.

873506904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498659 (or 498655 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 873506904 is about 29555.1502110884. The cubic root of 873506904 is about 955.9212454747.

The spelling of 873506904 in words is "eight hundred seventy-three million, five hundred six thousand, nine hundred four".