88403904 has 84 divisors (see below), whose sum is σ = 264450576. Its totient is φ = 28182528.

The previous prime is 88403899. The next prime is 88403911. The reversal of 88403904 is 40930488.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9912 + ... + 16584.

Almost surely, 2^88403904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88403904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132225288).

88403904 is an abundant number, since it is smaller than the sum of its proper divisors (176046672).

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

88403904 is a wasteful number, since it uses less digits than its factorization.

88403904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 88403904 is about 9402.3350291297. The cubic root of 88403904 is about 445.4754905704.

The spelling of 88403904 in words is "eighty-eight million, four hundred three thousand, nine hundred four".