88399020 has 48 divisors (see below), whose sum is σ = 260547840. Its totient is φ = 22332096.

The previous prime is 88398977. The next prime is 88399027. The reversal of 88399020 is 2099388.

It is a self number, because there is not a number n which added to its sum of digits gives 88399020.

It is not an unprimeable number, because it can be changed into a prime (88399027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37632 + ... + 39911.

It is an arithmetic number, because the mean of its divisors is an integer number (5428080).

Almost surely, 2^88399020 is an apocalyptic number.

It is an amenable number.

88399020 is an abundant number, since it is smaller than the sum of its proper divisors (172148820).

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

88399020 is a wasteful number, since it uses less digits than its factorization.

88399020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77574 (or 77572 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 88399020 is about 9402.0753028254. The cubic root of 88399020 is about 445.4672867760.

The spelling of 88399020 in words is "eighty-eight million, three hundred ninety-nine thousand, twenty".