404073236 has 24 divisors (see below), whose sum is σ = 826943040. Its totient is φ = 169146432.

The previous prime is 404073227. The next prime is 404073259. The reversal of 404073236 is 632370404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404073199 and 404073208.

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, 166601 + ... + 169008.

It is an arithmetic number, because the mean of its divisors is an integer number (34455960).

Almost surely, 2^404073236 is an apocalyptic number.

It is an amenable number.

404073236 is an abundant number, since it is smaller than the sum of its proper divisors (422869804).

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

404073236 is a wasteful number, since it uses less digits than its factorization.

404073236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335663 (or 335661 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 404073236 is about 20101.5729732775. The cubic root of 404073236 is about 739.2988464552.

The spelling of 404073236 in words is "four hundred four million, seventy-three thousand, two hundred thirty-six".