404006672 has 20 divisors (see below), whose sum is σ = 800968080. Its totient is φ = 197305248.

The previous prime is 404006639. The next prime is 404006677. The reversal of 404006672 is 276600404.

It is not an unprimeable number, because it can be changed into a prime (404006677) 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, 292922 + ... + 294297.

It is an arithmetic number, because the mean of its divisors is an integer number (40048404).

Almost surely, 2^404006672 is an apocalyptic number.

It is an amenable number.

404006672 is a deficient number, since it is larger than the sum of its proper divisors (396961408).

404006672 is a wasteful number, since it uses less digits than its factorization.

404006672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587270 (or 587264 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 404006672 is about 20099.9172137599. The cubic root of 404006672 is about 739.2582487066.

The spelling of 404006672 in words is "four hundred four million, six thousand, six hundred seventy-two".