86574494 has 16 divisors (see below), whose sum is σ = 133022736. Its totient is φ = 42244800.

The previous prime is 86574443. The next prime is 86574497. The reversal of 86574494 is 49447568.

It is a super-2 number, since 2×86574494² = 14990286022712072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86574497) 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, 13274 + ... + 18690.

It is an arithmetic number, because the mean of its divisors is an integer number (8313921).

Almost surely, 2^86574494 is an apocalyptic number.

86574494 is a deficient number, since it is larger than the sum of its proper divisors (46448242).

86574494 is a wasteful number, since it uses less digits than its factorization.

86574494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611.

The product of its digits is 967680, while the sum is 47.

The square root of 86574494 is about 9304.5415792504. The cubic root of 86574494 is about 442.3811914642.

The spelling of 86574494 in words is "eighty-six million, five hundred seventy-four thousand, four hundred ninety-four".