406917316 has 12 divisors (see below), whose sum is σ = 766882732. Its totient is φ = 187807968.

The previous prime is 406917307. The next prime is 406917317. The reversal of 406917316 is 613719604.

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 326886400 = 8946^2 + 18080^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (406917317) 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, 3912615 + ... + 3912718.

Almost surely, 2^406917316 is an apocalyptic number.

It is an amenable number.

406917316 is a deficient number, since it is larger than the sum of its proper divisors (359965416).

406917316 is a wasteful number, since it uses less digits than its factorization.

406917316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825350 (or 7825348 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 406917316 is about 20172.1916508841. The cubic root of 406917316 is about 741.0293175259.

The spelling of 406917316 in words is "four hundred six million, nine hundred seventeen thousand, three hundred sixteen".