18839097 has 12 divisors (see below), whose sum is σ = 27249664. Its totient is φ = 12542040.

The previous prime is 18839081. The next prime is 18839101. The reversal of 18839097 is 79093881.

It is not a de Polignac number, because 18839097 - 2⁴ = 18839081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18831097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12072 + ... + 13542.

Almost surely, 2^18839097 is an apocalyptic number.

It is an amenable number.

18839097 is a deficient number, since it is larger than the sum of its proper divisors (8410567).

18839097 is a wasteful number, since it uses less digits than its factorization.

18839097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 18839097 is about 4340.4028614865. The cubic root of 18839097 is about 266.0847761517.

The spelling of 18839097 in words is "eighteen million, eight hundred thirty-nine thousand, ninety-seven".