88439490 has 48 divisors (see below), whose sum is σ = 242049600. Its totient is φ = 22342176.

The previous prime is 88439479. The next prime is 88439521. The reversal of 88439490 is 9493488.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 24150 + ... + 27569.

It is an arithmetic number, because the mean of its divisors is an integer number (5042700).

Almost surely, 2^88439490 is an apocalyptic number.

88439490 is an abundant number, since it is smaller than the sum of its proper divisors (153610110).

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

88439490 is a wasteful number, since it uses less digits than its factorization.

88439490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51751 (or 51748 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 88439490 is about 9404.2272409805. The cubic root of 88439490 is about 445.5352562725.

The spelling of 88439490 in words is "eighty-eight million, four hundred thirty-nine thousand, four hundred ninety".