16929938 has 8 divisors (see below), whose sum is σ = 25557132. Its totient is φ = 8410896.

The previous prime is 16929929. The next prime is 16929961. The reversal of 16929938 is 83992961.

It can be written as a sum of positive squares in 2 ways, for example, as 14876449 + 2053489 = 3857^2 + 1433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16929892 and 16929901.

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, 26645 + ... + 27272.

Almost surely, 2^16929938 is an apocalyptic number.

16929938 is a deficient number, since it is larger than the sum of its proper divisors (8627194).

16929938 is a wasteful number, since it uses less digits than its factorization.

16929938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54076.

The product of its digits is 209952, while the sum is 47.

The square root of 16929938 is about 4114.6005881495. The cubic root of 16929938 is about 256.7744391021.

The spelling of 16929938 in words is "sixteen million, nine hundred twenty-nine thousand, nine hundred thirty-eight".