86994028 has 24 divisors (see below), whose sum is σ = 168424704. Its totient is φ = 38984400.

The previous prime is 86994001. The next prime is 86994059. The reversal of 86994028 is 82049968.

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, 10800 + ... + 17047.

It is an arithmetic number, because the mean of its divisors is an integer number (7017696).

Almost surely, 2^86994028 is an apocalyptic number.

It is an amenable number.

86994028 is a deficient number, since it is larger than the sum of its proper divisors (81430676).

86994028 is a wasteful number, since it uses less digits than its factorization.

86994028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27933 (or 27931 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 86994028 is about 9327.0589147920. The cubic root of 86994028 is about 443.0946231571.

It can be divided in two parts, 869940 and 28, that added together give a palindrome (869968).

The spelling of 86994028 in words is "eighty-six million, nine hundred ninety-four thousand, twenty-eight".