86190340 has 24 divisors (see below), whose sum is σ = 191647512. Its totient is φ = 32448000.

The previous prime is 86190337. The next prime is 86190367. The reversal of 86190340 is 4309168.

It can be written as a sum of positive squares in 4 ways, for example, as 41139396 + 45050944 = 6414^2 + 6712^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 126411 + ... + 127090.

It is an arithmetic number, because the mean of its divisors is an integer number (7985313).

Almost surely, 2^86190340 is an apocalyptic number.

It is an amenable number.

86190340 is an abundant number, since it is smaller than the sum of its proper divisors (105457172).

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

86190340 is a wasteful number, since it uses less digits than its factorization.

86190340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253527 (or 253525 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86190340 is about 9283.8752684426. The cubic root of 86190340 is about 441.7259003662.

The spelling of 86190340 in words is "eighty-six million, one hundred ninety thousand, three hundred forty".