86983928 has 8 divisors (see below), whose sum is σ = 163094880. Its totient is φ = 43491960.

The previous prime is 86983921. The next prime is 86983943. The reversal of 86983928 is 82938968.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 86983928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86983921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5436488 + ... + 5436503.

It is an arithmetic number, because the mean of its divisors is an integer number (20386860).

Almost surely, 2^86983928 is an apocalyptic number.

It is an amenable number.

86983928 is a deficient number, since it is larger than the sum of its proper divisors (76110952).

86983928 is a wasteful number, since it uses less digits than its factorization.

86983928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10872997 (or 10872993 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 86983928 is about 9326.5174636624. The cubic root of 86983928 is about 443.0774747429.

The spelling of 86983928 in words is "eighty-six million, nine hundred eighty-three thousand, nine hundred twenty-eight".