18290496 has 112 divisors (see below), whose sum is σ = 57221120. Its totient is φ = 5045760.

The previous prime is 18290491. The next prime is 18290507. The reversal of 18290496 is 69409281.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18290491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41445 + ... + 41883.

Almost surely, 2^18290496 is an apocalyptic number.

18290496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18290496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28610560).

18290496 is an abundant number, since it is smaller than the sum of its proper divisors (38930624).

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

18290496 is a wasteful number, since it uses less digits than its factorization.

18290496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 18290496 is about 4276.7389445698. The cubic root of 18290496 is about 263.4764647655.

The spelling of 18290496 in words is "eighteen million, two hundred ninety thousand, four hundred ninety-six".