86047240 has 32 divisors (see below), whose sum is σ = 195329880. Its totient is φ = 34112512.

The previous prime is 86047223. The next prime is 86047267. The reversal of 86047240 is 4274068.

It can be written as a sum of positive squares in 4 ways, for example, as 14577124 + 71470116 = 3818^2 + 8454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 14038.

Almost surely, 2^86047240 is an apocalyptic number.

It is an amenable number.

86047240 is an abundant number, since it is smaller than the sum of its proper divisors (109282640).

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

86047240 is a wasteful number, since it uses less digits than its factorization.

86047240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19161 (or 19157 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 86047240 is about 9276.1651559252. The cubic root of 86047240 is about 441.4813022234.

The spelling of 86047240 in words is "eighty-six million, forty-seven thousand, two hundred forty".