16490328 has 96 divisors (see below), whose sum is σ = 45988800. Its totient is φ = 4910976.

The previous prime is 16490317. The next prime is 16490329. The reversal of 16490328 is 82309461.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16490329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383475 + ... + 383517.

It is an arithmetic number, because the mean of its divisors is an integer number (479050).

Almost surely, 2^16490328 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 16490328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22994400).

16490328 is an abundant number, since it is smaller than the sum of its proper divisors (29498472).

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

16490328 is a wasteful number, since it uses less digits than its factorization.

16490328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16490328 is about 4060.8284868977. The cubic root of 16490328 is about 254.5324149474.

Adding to 16490328 its reverse (82309461), we get a palindrome (98799789).

The spelling of 16490328 in words is "sixteen million, four hundred ninety thousand, three hundred twenty-eight".