88439868 has 108 divisors (see below), whose sum is σ = 249805920. Its totient is φ = 26357760.

The previous prime is 88439861. The next prime is 88439873. The reversal of 88439868 is 86893488.

It is a super-2 number, since 2×88439868² = 15643220503714848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88439861) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 343996 + ... + 344252.

Almost surely, 2^88439868 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 88439868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124902960).

88439868 is an abundant number, since it is smaller than the sum of its proper divisors (161366052).

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

88439868 is a wasteful number, since it uses less digits than its factorization.

88439868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 352 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 88439868 is about 9404.2473383041. The cubic root of 88439868 is about 445.5358910270.

The spelling of 88439868 in words is "eighty-eight million, four hundred thirty-nine thousand, eight hundred sixty-eight".