86544406 has 16 divisors (see below), whose sum is σ = 143582544. Its totient is φ = 38863584.

The previous prime is 86544397. The next prime is 86544413. The reversal of 86544406 is 60444568.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 44020 + ... + 45943.

It is an arithmetic number, because the mean of its divisors is an integer number (8973909).

Almost surely, 2^86544406 is an apocalyptic number.

86544406 is a deficient number, since it is larger than the sum of its proper divisors (57038138).

86544406 is a wasteful number, since it uses less digits than its factorization.

86544406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90015.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 86544406 is about 9302.9245939113. The cubic root of 86544406 is about 442.3299373094.

The spelling of 86544406 in words is "eighty-six million, five hundred forty-four thousand, four hundred six".