938232691 has 16 divisors (see below), whose sum is σ = 1056458880. Its totient is φ = 825929280.

The previous prime is 938232689. The next prime is 938232697. The reversal of 938232691 is 196232839.

It is not a de Polignac number, because 938232691 - 2¹ = 938232689 is a prime.

It is a super-2 number, since 2×938232691² = 1760561164922202962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938232697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32695 + ... + 54271.

It is an arithmetic number, because the mean of its divisors is an integer number (66028680).

Almost surely, 2^938232691 is an apocalyptic number.

938232691 is a deficient number, since it is larger than the sum of its proper divisors (118226189).

938232691 is a wasteful number, since it uses less digits than its factorization.

938232691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21714.

The product of its digits is 139968, while the sum is 43.

The square root of 938232691 is about 30630.5842418978. The cubic root of 938232691 is about 978.9718117465.

The spelling of 938232691 in words is "nine hundred thirty-eight million, two hundred thirty-two thousand, six hundred ninety-one".