86349474 has 12 divisors (see below), whose sum is σ = 187090566. Its totient is φ = 28783152.

The previous prime is 86349457. The next prime is 86349479. The reversal of 86349474 is 47494368.

86349474 is a `hidden beast` number, since 8 + 634 + 9 + 4 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82901025 + 3448449 = 9105^2 + 1857^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86349479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2398579 + ... + 2398614.

Almost surely, 2^86349474 is an apocalyptic number.

86349474 is an abundant number, since it is smaller than the sum of its proper divisors (100741092).

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

86349474 is a wasteful number, since it uses less digits than its factorization.

86349474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797201 (or 4797198 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 86349474 is about 9292.4417673720. The cubic root of 86349474 is about 441.9975873963.

The spelling of 86349474 in words is "eighty-six million, three hundred forty-nine thousand, four hundred seventy-four".