89183997 has 20 divisors (see below), whose sum is σ = 152258656. Its totient is φ = 50961960.

The previous prime is 89183981. The next prime is 89183999. The reversal of 89183997 is 79938198.

It is not a de Polignac number, because 89183997 - 2⁴ = 89183981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89183999) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78079 + ... + 79212.

Almost surely, 2^89183997 is an apocalyptic number.

It is an amenable number.

89183997 is a deficient number, since it is larger than the sum of its proper divisors (63074659).

89183997 is a wasteful number, since it uses less digits than its factorization.

89183997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157310 (or 157301 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 89183997 is about 9443.7279185711. The cubic root of 89183997 is about 446.7819755640.

The spelling of 89183997 in words is "eighty-nine million, one hundred eighty-three thousand, nine hundred ninety-seven".