86399901 has 24 divisors (see below), whose sum is σ = 143172224. Its totient is φ = 49183200.

The previous prime is 86399881. The next prime is 86399909. The reversal of 86399901 is 10999368.

86399901 is a `hidden beast` number, since 8 + 639 + 9 + 9 + 0 + 1 = 666.

It is not a de Polignac number, because 86399901 - 2⁶ = 86399837 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86399909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14976 + ... + 19926.

Almost surely, 2^86399901 is an apocalyptic number.

It is an amenable number.

86399901 is a deficient number, since it is larger than the sum of its proper divisors (56772323).

86399901 is a wasteful number, since it uses less digits than its factorization.

86399901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 86399901 is about 9295.1547055442. The cubic root of 86399901 is about 442.0836109853.

The spelling of 86399901 in words is "eighty-six million, three hundred ninety-nine thousand, nine hundred one".