16975940 has 12 divisors (see below), whose sum is σ = 35649516. Its totient is φ = 6790368.

The previous prime is 16975921. The next prime is 16975957. The reversal of 16975940 is 4957961.

It can be written as a sum of positive squares in 2 ways, for example, as 8202496 + 8773444 = 2864^2 + 2962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424379 + ... + 424418.

It is an arithmetic number, because the mean of its divisors is an integer number (2970793).

Almost surely, 2^16975940 is an apocalyptic number.

16975940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16975940 is an abundant number, since it is smaller than the sum of its proper divisors (18673576).

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

16975940 is a wasteful number, since it uses less digits than its factorization.

16975940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848806 (or 848804 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16975940 is about 4120.1868889651. The cubic root of 16975940 is about 257.0067978035.

The spelling of 16975940 in words is "sixteen million, nine hundred seventy-five thousand, nine hundred forty".