407139396 has 24 divisors (see below), whose sum is σ = 963007584. Its totient is φ = 133853760.

The previous prime is 407139373. The next prime is 407139401. The reversal of 407139396 is 693931704.

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, 231510 + ... + 233261.

It is an arithmetic number, because the mean of its divisors is an integer number (40125316).

Almost surely, 2^407139396 is an apocalyptic number.

It is an amenable number.

407139396 is an abundant number, since it is smaller than the sum of its proper divisors (555868188).

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

407139396 is a wasteful number, since it uses less digits than its factorization.

407139396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464851 (or 464849 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 407139396 is about 20177.6955076639. The cubic root of 407139396 is about 741.1641015513.

The spelling of 407139396 in words is "four hundred seven million, one hundred thirty-nine thousand, three hundred ninety-six".