16939330 has 32 divisors (see below), whose sum is σ = 32099328. Its totient is φ = 6427200.

The previous prime is 16939309. The next prime is 16939337. The reversal of 16939330 is 3393961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16939337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15915 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (1003104).

Almost surely, 2^16939330 is an apocalyptic number.

16939330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16939330 is a deficient number, since it is larger than the sum of its proper divisors (15159998).

16939330 is a wasteful number, since it uses less digits than its factorization.

16939330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 16939330 is about 4115.7417314501. The cubic root of 16939330 is about 256.8219127887.

The spelling of 16939330 in words is "sixteen million, nine hundred thirty-nine thousand, three hundred thirty".