86493912 has 32 divisors (see below), whose sum is σ = 220838400. Its totient is φ = 28217504.

The previous prime is 86493907. The next prime is 86493917. The reversal of 86493912 is 21939468.

It is an interprime number because it is at equal distance from previous prime (86493907) and next prime (86493917).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86493917) 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, 37212 + ... + 39467.

It is an arithmetic number, because the mean of its divisors is an integer number (6901200).

Almost surely, 2^86493912 is an apocalyptic number.

It is an amenable number.

86493912 is an abundant number, since it is smaller than the sum of its proper divisors (134344488).

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

86493912 is a wasteful number, since it uses less digits than its factorization.

86493912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76735 (or 76731 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 86493912 is about 9300.2103202024. The cubic root of 86493912 is about 442.2438953415.

It can be divided in two parts, 8649 and 3912, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 86493912 in words is "eighty-six million, four hundred ninety-three thousand, nine hundred twelve".