88631604 has 96 divisors (see below), whose sum is σ = 247726080. Its totient is φ = 27324000.

The previous prime is 88631513. The next prime is 88631611. The reversal of 88631604 is 40613688.

It is a happy number.

It is a super-2 number, since 2×88631604² = 15711122455225632, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76429 + ... + 77579.

It is an arithmetic number, because the mean of its divisors is an integer number (2580480).

Almost surely, 2^88631604 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 88631604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123863040).

88631604 is an abundant number, since it is smaller than the sum of its proper divisors (159094476).

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

88631604 is a wasteful number, since it uses less digits than its factorization.

88631604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1210 counting only the distinct ones).

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

The square root of 88631604 is about 9414.4359363692. The cubic root of 88631604 is about 445.8576298247.

The spelling of 88631604 in words is "eighty-eight million, six hundred thirty-one thousand, six hundred four".