407969616 has 20 divisors (see below), whose sum is σ = 1053921632. Its totient is φ = 135989856.

The previous prime is 407969591. The next prime is 407969657. The reversal of 407969616 is 616969704.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8499367 = 407969616 / (4 + 0 + 7 + 9 + 6 + 9 + 6 + 1 + 6).

It is a congruent number.

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, 4249636 + ... + 4249731.

Almost surely, 2^407969616 is an apocalyptic number.

It is an amenable number.

407969616 is an abundant number, since it is smaller than the sum of its proper divisors (645952016).

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

407969616 is a wasteful number, since it uses less digits than its factorization.

407969616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8499378 (or 8499372 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 407969616 is about 20198.2577466474. The cubic root of 407969616 is about 741.6675421331.

The spelling of 407969616 in words is "four hundred seven million, nine hundred sixty-nine thousand, six hundred sixteen".