16939746 has 16 divisors (see below), whose sum is σ = 37644000. Its totient is φ = 5646564.

The previous prime is 16939729. The next prime is 16939757. The reversal of 16939746 is 64793961.

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 7 ways as a sum of consecutive naturals, for example, 156796 + ... + 156903.

It is an arithmetic number, because the mean of its divisors is an integer number (2352750).

Almost surely, 2^16939746 is an apocalyptic number.

16939746 is an abundant number, since it is smaller than the sum of its proper divisors (20704254).

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

16939746 is a wasteful number, since it uses less digits than its factorization.

16939746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313710 (or 313704 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 16939746 is about 4115.7922688105. The cubic root of 16939746 is about 256.8240151355.

The spelling of 16939746 in words is "sixteen million, nine hundred thirty-nine thousand, seven hundred forty-six".