88982640 has 120 divisors (see below), whose sum is σ = 302636880. Its totient is φ = 23427072.

The previous prime is 88982629. The next prime is 88982671. The reversal of 88982640 is 4628988.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59016 + ... + 60504.

It is an arithmetic number, because the mean of its divisors is an integer number (2521974).

Almost surely, 2^88982640 is an apocalyptic number.

88982640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88982640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151318440).

88982640 is an abundant number, since it is smaller than the sum of its proper divisors (213654240).

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

88982640 is a wasteful number, since it uses less digits than its factorization.

88982640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 88982640 is about 9433.0610090256. The cubic root of 88982640 is about 446.4454784667.

The spelling of 88982640 in words is "eighty-eight million, nine hundred eighty-two thousand, six hundred forty".