86244004 has 24 divisors (see below), whose sum is σ = 188169408. Its totient is φ = 33601440.

The previous prime is 86243987. The next prime is 86244007. The reversal of 86244004 is 40044268.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (86244007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139699 + ... + 140314.

It is an arithmetic number, because the mean of its divisors is an integer number (7840392).

Almost surely, 2^86244004 is an apocalyptic number.

It is an amenable number.

86244004 is an abundant number, since it is smaller than the sum of its proper divisors (101925404).

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

86244004 is a wasteful number, since it uses less digits than its factorization.

86244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280035 (or 280033 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 86244004 is about 9286.7649911043. The cubic root of 86244004 is about 441.8175574309.

The spelling of 86244004 in words is "eighty-six million, two hundred forty-four thousand, four".