88439980 has 12 divisors (see below), whose sum is σ = 185724000. Its totient is φ = 35375984.

The previous prime is 88439977. The next prime is 88439983. The reversal of 88439980 is 8993488.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (88439977) and next prime (88439983).

It is not an unprimeable number, because it can be changed into a prime (88439983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210980 + ... + 2211019.

It is an arithmetic number, because the mean of its divisors is an integer number (15477000).

Almost surely, 2^88439980 is an apocalyptic number.

It is an amenable number.

88439980 is an abundant number, since it is smaller than the sum of its proper divisors (97284020).

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

88439980 is a wasteful number, since it uses less digits than its factorization.

88439980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422008 (or 4422006 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 88439980 is about 9404.2532930584. The cubic root of 88439980 is about 445.5360791021.

The spelling of 88439980 in words is "eighty-eight million, four hundred thirty-nine thousand, nine hundred eighty".