88438986 has 16 divisors (see below), whose sum is σ = 196531200. Its totient is φ = 29479644.

The previous prime is 88438967. The next prime is 88439011. The reversal of 88438986 is 68983488.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1637759 = 88438986 / (8 + 8 + 4 + 3 + 8 + 9 + 8 + 6).

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 7 ways as a sum of consecutive naturals, for example, 818826 + ... + 818933.

It is an arithmetic number, because the mean of its divisors is an integer number (12283200).

Almost surely, 2^88438986 is an apocalyptic number.

88438986 is an abundant number, since it is smaller than the sum of its proper divisors (108092214).

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

88438986 is a wasteful number, since it uses less digits than its factorization.

88438986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637770 (or 1637764 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 88438986 is about 9404.2004444822. The cubic root of 88438986 is about 445.5344099304.

The spelling of 88438986 in words is "eighty-eight million, four hundred thirty-eight thousand, nine hundred eighty-six".