86915340 has 36 divisors (see below), whose sum is σ = 263643744. Its totient is φ = 23177376.

The previous prime is 86915327. The next prime is 86915369. The reversal of 86915340 is 4351968.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 86915295 and 86915304.

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, 241252 + ... + 241611.

Almost surely, 2^86915340 is an apocalyptic number.

It is an amenable number.

86915340 is an abundant number, since it is smaller than the sum of its proper divisors (176728404).

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

86915340 is a wasteful number, since it uses less digits than its factorization.

86915340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482878 (or 482873 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 86915340 is about 9322.8396961441. The cubic root of 86915340 is about 442.9609865991.

The spelling of 86915340 in words is "eighty-six million, nine hundred fifteen thousand, three hundred forty".