89364889 has 4 divisors (see below), whose sum is σ = 89832960. Its totient is φ = 88896820.

The previous prime is 89364887. The next prime is 89364893. The reversal of 89364889 is 98846398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89364889 - 2¹ = 89364887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89364887) 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, 233749 + ... + 234130.

It is an arithmetic number, because the mean of its divisors is an integer number (22458240).

Almost surely, 2^89364889 is an apocalyptic number.

It is an amenable number.

89364889 is a deficient number, since it is larger than the sum of its proper divisors (468071).

89364889 is a wasteful number, since it uses less digits than its factorization.

89364889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468070.

The product of its digits is 2985984, while the sum is 55.

The square root of 89364889 is about 9453.3004289507. The cubic root of 89364889 is about 447.0838410233.

The spelling of 89364889 in words is "eighty-nine million, three hundred sixty-four thousand, eight hundred eighty-nine".