16794778 has 32 divisors (see below), whose sum is σ = 33828480. Its totient is φ = 6039360.

The previous prime is 16794773. The next prime is 16794779. The reversal of 16794778 is 87749761.

It is not an unprimeable number, because it can be changed into a prime (16794773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2193 + ... + 6196.

It is an arithmetic number, because the mean of its divisors is an integer number (1057140).

Almost surely, 2^16794778 is an apocalyptic number.

16794778 is an abundant number, since it is smaller than the sum of its proper divisors (17033702).

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

16794778 is a wasteful number, since it uses less digits than its factorization.

16794778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422.

The product of its digits is 592704, while the sum is 49.

The square root of 16794778 is about 4098.1432381019. The cubic root of 16794778 is about 256.0892938015.

The spelling of 16794778 in words is "sixteen million, seven hundred ninety-four thousand, seven hundred seventy-eight".