18740496 has 40 divisors (see below), whose sum is σ = 50086080. Its totient is φ = 6030976.

The previous prime is 18740489. The next prime is 18740531. The reversal of 18740496 is 69404781.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (1252152).

Almost surely, 2^18740496 is an apocalyptic number.

18740496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18740496 is an abundant number, since it is smaller than the sum of its proper divisors (31345584).

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

18740496 is a wasteful number, since it uses less digits than its factorization.

18740496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503 (or 13497 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 18740496 is about 4329.0294524293. The cubic root of 18740496 is about 265.6197480115.

The spelling of 18740496 in words is "eighteen million, seven hundred forty thousand, four hundred ninety-six".