88739424 has 72 divisors (see below), whose sum is σ = 265650840. Its totient is φ = 28021248.

The previous prime is 88739389. The next prime is 88739447. The reversal of 88739424 is 42493788.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 88739424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2637 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (3689595).

Almost surely, 2^88739424 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 88739424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132825420).

88739424 is an abundant number, since it is smaller than the sum of its proper divisors (176911416).

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

88739424 is a wasteful number, since it uses less digits than its factorization.

88739424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252 (or 16241 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 88739424 is about 9420.1605081867. The cubic root of 88739424 is about 446.0383512504.

The spelling of 88739424 in words is "eighty-eight million, seven hundred thirty-nine thousand, four hundred twenty-four".