86242408 has 32 divisors (see below), whose sum is σ = 185333760. Its totient is φ = 36855360.

The previous prime is 86242399. The next prime is 86242427. The reversal of 86242408 is 80424268.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19438 + ... + 23458.

It is an arithmetic number, because the mean of its divisors is an integer number (5791680).

Almost surely, 2^86242408 is an apocalyptic number.

86242408 is the 5362-nd octagonal number.

It is an amenable number.

86242408 is an abundant number, since it is smaller than the sum of its proper divisors (99091352).

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

86242408 is a wasteful number, since it uses less digits than its factorization.

86242408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4413 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 86242408 is about 9286.6790619683. The cubic root of 86242408 is about 441.8148320427.

The spelling of 86242408 in words is "eighty-six million, two hundred forty-two thousand, four hundred eight".