89631383 has 4 divisors (see below), whose sum is σ = 89955240. Its totient is φ = 89307528.

The previous prime is 89631349. The next prime is 89631389. The reversal of 89631383 is 38313698.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89631383 - 2⁶ = 89631319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89631383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89631389) 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, 161513 + ... + 162066.

It is an arithmetic number, because the mean of its divisors is an integer number (22488810).

Almost surely, 2^89631383 is an apocalyptic number.

89631383 is a deficient number, since it is larger than the sum of its proper divisors (323857).

89631383 is a wasteful number, since it uses less digits than its factorization.

89631383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323856.

The product of its digits is 93312, while the sum is 41.

The square root of 89631383 is about 9467.3852250767. The cubic root of 89631383 is about 447.5278145066.

The spelling of 89631383 in words is "eighty-nine million, six hundred thirty-one thousand, three hundred eighty-three".