16933290 has 96 divisors (see below), whose sum is σ = 46823616. Its totient is φ = 3886080.

The previous prime is 16933283. The next prime is 16933327. The reversal of 16933290 is 9233961.

16933290 is a nontrivial binomial coefficient, being equal to C(5820, 2).

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 Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174522 + ... + 174618.

It is an arithmetic number, because the mean of its divisors is an integer number (487746).

Almost surely, 2^16933290 is an apocalyptic number.

16933290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16933290 is the 5819-th triangular number and also the 2910-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16933290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23411808).

16933290 is an abundant number, since it is smaller than the sum of its proper divisors (29890326).

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

16933290 is a wasteful number, since it uses less digits than its factorization.

16933290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 16933290 is about 4115.0078979268. The cubic root of 16933290 is about 256.7913844510.

The spelling of 16933290 in words is "sixteen million, nine hundred thirty-three thousand, two hundred ninety".