16248990 has 64 divisors (see below), whose sum is σ = 42508800. Its totient is φ = 3959424.

The previous prime is 16248983. The next prime is 16249001. The reversal of 16248990 is 9984261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16039 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (664200).

Almost surely, 2^16248990 is an apocalyptic number.

16248990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16248990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21254400).

16248990 is an abundant number, since it is smaller than the sum of its proper divisors (26259810).

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

16248990 is a wasteful number, since it uses less digits than its factorization.

16248990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

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

The square root of 16248990 is about 4031.0035971207. The cubic root of 16248990 is about 253.2846032002.

The spelling of 16248990 in words is "sixteen million, two hundred forty-eight thousand, nine hundred ninety".