406307396 has 24 divisors (see below), whose sum is σ = 783217344. Its totient is φ = 182890080.

The previous prime is 406307357. The next prime is 406307399. The reversal of 406307396 is 693703604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (406307399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40295 + ... + 49358.

It is an arithmetic number, because the mean of its divisors is an integer number (32634056).

Almost surely, 2^406307396 is an apocalyptic number.

It is an amenable number.

406307396 is a deficient number, since it is larger than the sum of its proper divisors (376909948).

406307396 is a wasteful number, since it uses less digits than its factorization.

406307396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89771 (or 89769 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 406307396 is about 20157.0681399850. The cubic root of 406307396 is about 740.6588945208.

The spelling of 406307396 in words is "four hundred six million, three hundred seven thousand, three hundred ninety-six".