18939096 has 80 divisors (see below), whose sum is σ = 57891240. Its totient is φ = 5736960.

The previous prime is 18939083. The next prime is 18939103. The reversal of 18939096 is 69093981.

18939096 is nontrivially palindromic in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5800 + ... + 8456.

Almost surely, 2^18939096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18939096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28945620).

18939096 is an abundant number, since it is smaller than the sum of its proper divisors (38952144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18939096 is a wasteful number, since it uses less digits than its factorization.

18939096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 18939096 is about 4351.9071681276. The cubic root of 18939096 is about 266.5547433087.

The spelling of 18939096 in words is "eighteen million, nine hundred thirty-nine thousand, ninety-six".