407699872 has 24 divisors (see below), whose sum is σ = 844905600. Its totient is φ = 193120704.

The previous prime is 407699869. The next prime is 407699881. The reversal of 407699872 is 278996704.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334672 + ... + 335887.

It is an arithmetic number, because the mean of its divisors is an integer number (35204400).

Almost surely, 2^407699872 is an apocalyptic number.

It is an amenable number.

407699872 is an abundant number, since it is smaller than the sum of its proper divisors (437205728).

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

407699872 is a wasteful number, since it uses less digits than its factorization.

407699872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670588 (or 670580 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 407699872 is about 20191.5792349187. The cubic root of 407699872 is about 741.5040459067.

The spelling of 407699872 in words is "four hundred seven million, six hundred ninety-nine thousand, eight hundred seventy-two".