89738923 has 4 divisors (see below), whose sum is σ = 89757928. Its totient is φ = 89719920.

The previous prime is 89738899. The next prime is 89738947. The reversal of 89738923 is 32983798.

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

It is an interprime number because it is at equal distance from previous prime (89738899) and next prime (89738947).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89738923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89738983) 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, 3640 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (22439482).

Almost surely, 2^89738923 is an apocalyptic number.

89738923 is a deficient number, since it is larger than the sum of its proper divisors (19005).

89738923 is a wasteful number, since it uses less digits than its factorization.

89738923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004.

The product of its digits is 653184, while the sum is 49.

The square root of 89738923 is about 9473.0630210086. The cubic root of 89738923 is about 447.7067247078.

The spelling of 89738923 in words is "eighty-nine million, seven hundred thirty-eight thousand, nine hundred twenty-three".