404868028 has 6 divisors (see below), whose sum is σ = 708519056. Its totient is φ = 202434012.

The previous prime is 404867993. The next prime is 404868047. The reversal of 404868028 is 820868404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50608500 + ... + 50608507.

Almost surely, 2^404868028 is an apocalyptic number.

It is an amenable number.

404868028 is a deficient number, since it is larger than the sum of its proper divisors (303651028).

404868028 is a wasteful number, since it uses less digits than its factorization.

404868028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101217011 (or 101217009 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 404868028 is about 20121.3326596426. The cubic root of 404868028 is about 739.7832503736.

The spelling of 404868028 in words is "four hundred four million, eight hundred sixty-eight thousand, twenty-eight".