86309994 has 8 divisors (see below), whose sum is σ = 172620000. Its totient is φ = 28769996.

The previous prime is 86309981. The next prime is 86309999. The reversal of 86309994 is 49990368.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

86309994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86309999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7192494 + ... + 7192505.

It is an arithmetic number, because the mean of its divisors is an integer number (21577500).

Almost surely, 2^86309994 is an apocalyptic number.

86309994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86309994 is a wasteful number, since it uses less digits than its factorization.

86309994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14385004.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 86309994 is about 9290.3172174044. The cubic root of 86309994 is about 441.9302149539.

The spelling of 86309994 in words is "eighty-six million, three hundred nine thousand, nine hundred ninety-four".