406958938 has 16 divisors (see below), whose sum is σ = 629718624. Its totient is φ = 197152560.

The previous prime is 406958921. The next prime is 406958939. The reversal of 406958938 is 839859604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (406958939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16720 + ... + 33067.

It is an arithmetic number, because the mean of its divisors is an integer number (39357414).

Almost surely, 2^406958938 is an apocalyptic number.

406958938 is a deficient number, since it is larger than the sum of its proper divisors (222759686).

406958938 is a wasteful number, since it uses less digits than its factorization.

406958938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49917.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 406958938 is about 20173.2232922753. The cubic root of 406958938 is about 741.0545823397.

The spelling of 406958938 in words is "four hundred six million, nine hundred fifty-eight thousand, nine hundred thirty-eight".