86904894 has 16 divisors (see below), whose sum is σ = 176191632. Its totient is φ = 28571328.

The previous prime is 86904893. The next prime is 86904913. The reversal of 86904894 is 49840968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86904893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98769 + ... + 99644.

It is an arithmetic number, because the mean of its divisors is an integer number (11011977).

Almost surely, 2^86904894 is an apocalyptic number.

86904894 is an abundant number, since it is smaller than the sum of its proper divisors (89286738).

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

86904894 is a wasteful number, since it uses less digits than its factorization.

86904894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198491.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 86904894 is about 9322.2794422823. The cubic root of 86904894 is about 442.9432399971.

The spelling of 86904894 in words is "eighty-six million, nine hundred four thousand, eight hundred ninety-four".