86216994 has 32 divisors (see below), whose sum is σ = 192386880. Its totient is φ = 28620000.

The previous prime is 86216981. The next prime is 86217023. The reversal of 86216994 is 49961268.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10374 + ... + 16734.

It is an arithmetic number, because the mean of its divisors is an integer number (6012090).

Almost surely, 2^86216994 is an apocalyptic number.

86216994 is an abundant number, since it is smaller than the sum of its proper divisors (106169886).

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

86216994 is a wasteful number, since it uses less digits than its factorization.

86216994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623 (or 6617 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 86216994 is about 9285.3106571617. The cubic root of 86216994 is about 441.7714296320.

The spelling of 86216994 in words is "eighty-six million, two hundred sixteen thousand, nine hundred ninety-four".