88681938 has 8 divisors (see below), whose sum is σ = 177363888. Its totient is φ = 29560644.

The previous prime is 88681927. The next prime is 88681973. The reversal of 88681938 is 83918688.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

88681938 is an admirable number.

It is a super-2 number, since 2×88681938² = 15728972254871688, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7390156 + ... + 7390167.

It is an arithmetic number, because the mean of its divisors is an integer number (22170486).

Almost surely, 2^88681938 is an apocalyptic number.

88681938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

88681938 is a wasteful number, since it uses less digits than its factorization.

88681938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14780328.

The product of its digits is 663552, while the sum is 51.

The square root of 88681938 is about 9417.1087919807. The cubic root of 88681938 is about 445.9420148898.

The spelling of 88681938 in words is "eighty-eight million, six hundred eighty-one thousand, nine hundred thirty-eight".