86174982 has 16 divisors (see below), whose sum is σ = 191500080. Its totient is φ = 28724976.

The previous prime is 86174981. The next prime is 86174983. The reversal of 86174982 is 28947168.

It is an interprime number because it is at equal distance from previous prime (86174981) and next prime (86174983).

It is a super-2 number, since 2×86174982² = 14852255045400648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86174981) 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, 797863 + ... + 797970.

It is an arithmetic number, because the mean of its divisors is an integer number (11968755).

Almost surely, 2^86174982 is an apocalyptic number.

86174982 is an abundant number, since it is smaller than the sum of its proper divisors (105325098).

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

86174982 is a wasteful number, since it uses less digits than its factorization.

86174982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595844 (or 1595838 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 86174982 is about 9283.0480985504. The cubic root of 86174982 is about 441.6996622001.

The spelling of 86174982 in words is "eighty-six million, one hundred seventy-four thousand, nine hundred eighty-two".