16938790 has 24 divisors (see below), whose sum is σ = 33516000. Its totient is φ = 6159120.

The previous prime is 16938773. The next prime is 16938791. The reversal of 16938790 is 9783961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16938791) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5790 + ... + 8209.

It is an arithmetic number, because the mean of its divisors is an integer number (1396500).

Almost surely, 2^16938790 is an apocalyptic number.

16938790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16938790 is a deficient number, since it is larger than the sum of its proper divisors (16577210).

16938790 is a wasteful number, since it uses less digits than its factorization.

16938790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028 (or 14017 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 16938790 is about 4115.6761291433. The cubic root of 16938790 is about 256.8191837294.

The spelling of 16938790 in words is "sixteen million, nine hundred thirty-eight thousand, seven hundred ninety".