8997923 has 6 divisors (see below), whose sum is σ = 9890412. Its totient is φ = 8179820.

The previous prime is 8997889. The next prime is 8997931. The reversal of 8997923 is 3297998.

It is not a de Polignac number, because 8997923 - 2¹² = 8993827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8997943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37061 + ... + 37302.

It is an arithmetic number, because the mean of its divisors is an integer number (1648402).

Almost surely, 2^8997923 is an apocalyptic number.

8997923 is a deficient number, since it is larger than the sum of its proper divisors (892489).

8997923 is a wasteful number, since it uses less digits than its factorization.

8997923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74385 (or 74374 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 8997923 is about 2999.6538133591. The cubic root of 8997923 is about 207.9923798367.

The spelling of 8997923 in words is "eight million, nine hundred ninety-seven thousand, nine hundred twenty-three".