86494594 has 4 divisors (see below), whose sum is σ = 129741894. Its totient is φ = 43247296.

The previous prime is 86494591. The next prime is 86494613. The reversal of 86494594 is 49549468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60637369 + 25857225 = 7787^2 + 5085^2 .

It is not an unprimeable number, because it can be changed into a prime (86494591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21623647 + ... + 21623650.

Almost surely, 2^86494594 is an apocalyptic number.

86494594 is a deficient number, since it is larger than the sum of its proper divisors (43247300).

86494594 is a wasteful number, since it uses less digits than its factorization.

86494594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43247299.

The product of its digits is 1244160, while the sum is 49.

The square root of 86494594 is about 9300.2469859676. The cubic root of 86494594 is about 442.2450576951.

The spelling of 86494594 in words is "eighty-six million, four hundred ninety-four thousand, five hundred ninety-four".