86993804 has 12 divisors (see below), whose sum is σ = 155478624. Its totient is φ = 42571344.

The previous prime is 86993801. The next prime is 86993827. The reversal of 86993804 is 40839968.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (86993801) 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, 231179 + ... + 231554.

It is an arithmetic number, because the mean of its divisors is an integer number (12956552).

Almost surely, 2^86993804 is an apocalyptic number.

It is an amenable number.

86993804 is a deficient number, since it is larger than the sum of its proper divisors (68484820).

86993804 is a wasteful number, since it uses less digits than its factorization.

86993804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462784 (or 462782 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 86993804 is about 9327.0469067117. The cubic root of 86993804 is about 443.0942428503.

The spelling of 86993804 in words is "eighty-six million, nine hundred ninety-three thousand, eight hundred four".