938231690 has 32 divisors (see below), whose sum is σ = 1844311680. Its totient is φ = 340811200.

The previous prime is 938231689. The next prime is 938231711. The reversal of 938231690 is 96132839.

It is a super-2 number, since 2×938231690² = 1760557408240512200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112691 + ... + 120729.

It is an arithmetic number, because the mean of its divisors is an integer number (57634740).

Almost surely, 2^938231690 is an apocalyptic number.

938231690 is a deficient number, since it is larger than the sum of its proper divisors (906079990).

938231690 is a wasteful number, since it uses less digits than its factorization.

938231690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 938231690 is about 30630.5679020158. The cubic root of 938231690 is about 978.9714635915.

The spelling of 938231690 in words is "nine hundred thirty-eight million, two hundred thirty-one thousand, six hundred ninety".