89804891 has 8 divisors (see below), whose sum is σ = 98084784. Its totient is φ = 81544320.

The previous prime is 89804881. The next prime is 89804947. The reversal of 89804891 is 19840898.

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

It is not a de Polignac number, because 89804891 - 2¹⁴ = 89788507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89804881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5951 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (12260598).

Almost surely, 2^89804891 is an apocalyptic number.

89804891 is a deficient number, since it is larger than the sum of its proper divisors (8279893).

89804891 is a wasteful number, since it uses less digits than its factorization.

89804891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 89804891 is about 9476.5442541044. The cubic root of 89804891 is about 447.8164024343.

The spelling of 89804891 in words is "eighty-nine million, eight hundred four thousand, eight hundred ninety-one".