731830938 has 16 divisors (see below), whose sum is σ = 1484277696. Its totient is φ = 240507680.

The previous prime is 731830927. The next prime is 731830973. The reversal of 731830938 is 839038137.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 731830938.

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, 858531 + ... + 859382.

It is an arithmetic number, because the mean of its divisors is an integer number (92767356).

Almost surely, 2^731830938 is an apocalyptic number.

731830938 is an abundant number, since it is smaller than the sum of its proper divisors (752446758).

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

731830938 is a wasteful number, since it uses less digits than its factorization.

731830938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717989.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 731830938 is about 27052.3739808542. The cubic root of 731830938 is about 901.1634902917.

The spelling of 731830938 in words is "seven hundred thirty-one million, eight hundred thirty thousand, nine hundred thirty-eight".