18834998 has 32 divisors (see below), whose sum is σ = 35724864. Its totient is φ = 7247232.

The previous prime is 18834979. The next prime is 18835009. The reversal of 18834998 is 89943881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5336 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (1116402).

Almost surely, 2^18834998 is an apocalyptic number.

18834998 is a deficient number, since it is larger than the sum of its proper divisors (16889866).

18834998 is a wasteful number, since it uses less digits than its factorization.

18834998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856.

The product of its digits is 497664, while the sum is 50.

The square root of 18834998 is about 4339.9306446071. The cubic root of 18834998 is about 266.0654765605.

The spelling of 18834998 in words is "eighteen million, eight hundred thirty-four thousand, nine hundred ninety-eight".