16824990 has 64 divisors (see below), whose sum is σ = 49706496. Its totient is φ = 3549312.

The previous prime is 16824979. The next prime is 16825007. The reversal of 16824990 is 9942861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (776664).

Almost surely, 2^16824990 is an apocalyptic number.

16824990 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 16824990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24853248).

16824990 is an abundant number, since it is smaller than the sum of its proper divisors (32881506).

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

16824990 is a wasteful number, since it uses less digits than its factorization.

16824990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193.

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

The square root of 16824990 is about 4101.8276414301. The cubic root of 16824990 is about 256.2427608504.

The spelling of 16824990 in words is "sixteen million, eight hundred twenty-four thousand, nine hundred ninety".