86933440 has 56 divisors (see below), whose sum is σ = 225838512. Its totient is φ = 31610880.

The previous prime is 86933419. The next prime is 86933443. The reversal of 86933440 is 4433968.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86933440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86933443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8829 + ... + 15868.

Almost surely, 2^86933440 is an apocalyptic number.

86933440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86933440 is an abundant number, since it is smaller than the sum of its proper divisors (138905072).

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

86933440 is a wasteful number, since it uses less digits than its factorization.

86933440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24725 (or 24715 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 86933440 is about 9323.8103798823. The cubic root of 86933440 is about 442.9917331369.

The spelling of 86933440 in words is "eighty-six million, nine hundred thirty-three thousand, four hundred forty".