86435928 has 24 divisors (see below), whose sum is σ = 234097500. Its totient is φ = 28811952.

The previous prime is 86435927. The next prime is 86435953. The reversal of 86435928 is 82953468.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86435927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600178 + ... + 600321.

Almost surely, 2^86435928 is an apocalyptic number.

It is an amenable number.

86435928 is an abundant number, since it is smaller than the sum of its proper divisors (147661572).

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

86435928 is a wasteful number, since it uses less digits than its factorization.

86435928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200511 (or 1200504 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 86435928 is about 9297.0924487175. The cubic root of 86435928 is about 442.1450490690.

It can be divided in two parts, 8643592 and 8, that added together give a square (8643600 = 2940²).

The spelling of 86435928 in words is "eighty-six million, four hundred thirty-five thousand, nine hundred twenty-eight".