86099040 has 72 divisors (see below), whose sum is σ = 293817888. Its totient is φ = 22959360.

The previous prime is 86099023. The next prime is 86099063. The reversal of 86099040 is 4099068.

86099040 is a `hidden beast` number, since 8 + 609 + 9 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 86098986 and 86099004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28456 + ... + 31335.

It is an arithmetic number, because the mean of its divisors is an integer number (4080804).

Almost surely, 2^86099040 is an apocalyptic number.

86099040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86099040 is an abundant number, since it is smaller than the sum of its proper divisors (207718848).

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

86099040 is a wasteful number, since it uses less digits than its factorization.

86099040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59812 (or 59801 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 86099040 is about 9278.9568379210. The cubic root of 86099040 is about 441.5698742839.

The spelling of 86099040 in words is "eighty-six million, ninety-nine thousand, forty".