86649654 has 32 divisors (see below), whose sum is σ = 213292800. Its totient is φ = 22852512.

The previous prime is 86649653. The next prime is 86649683. The reversal of 86649654 is 45694668.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86649653) 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 in 15 ways as a sum of consecutive naturals, for example, 78804 + ... + 79895.

It is an arithmetic number, because the mean of its divisors is an integer number (6665400).

Almost surely, 2^86649654 is an apocalyptic number.

86649654 is an abundant number, since it is smaller than the sum of its proper divisors (126643146).

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

86649654 is a wasteful number, since it uses less digits than its factorization.

86649654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158724.

The product of its digits is 1244160, while the sum is 48.

The square root of 86649654 is about 9308.5795908936. The cubic root of 86649654 is about 442.5091727806.

The spelling of 86649654 in words is "eighty-six million, six hundred forty-nine thousand, six hundred fifty-four".