16932945 has 16 divisors (see below), whose sum is σ = 28271232. Its totient is φ = 8638080.

The previous prime is 16932931. The next prime is 16932973. The reversal of 16932945 is 54923961.

It is not a de Polignac number, because 16932945 - 2⁸ = 16932689 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 24196 + ... + 24885.

It is an arithmetic number, because the mean of its divisors is an integer number (1766952).

Almost surely, 2^16932945 is an apocalyptic number.

16932945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16932945 is a deficient number, since it is larger than the sum of its proper divisors (11338287).

16932945 is a wasteful number, since it uses less digits than its factorization.

16932945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49112.

The product of its digits is 58320, while the sum is 39.

The square root of 16932945 is about 4114.9659779882. The cubic root of 16932945 is about 256.7896404775.

The spelling of 16932945 in words is "sixteen million, nine hundred thirty-two thousand, nine hundred forty-five".