86542492 has 12 divisors (see below), whose sum is σ = 159420520. Its totient is φ = 40993776.

The previous prime is 86542487. The next prime is 86542501. The reversal of 86542492 is 29424568.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569283 + ... + 569434.

Almost surely, 2^86542492 is an apocalyptic number.

It is an amenable number.

86542492 is a deficient number, since it is larger than the sum of its proper divisors (72878028).

86542492 is a wasteful number, since it uses less digits than its factorization.

86542492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138740 (or 1138738 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 86542492 is about 9302.8217224668. The cubic root of 86542492 is about 442.3266764565.

The spelling of 86542492 in words is "eighty-six million, five hundred forty-two thousand, four hundred ninety-two".