16940793 has 8 divisors (see below), whose sum is σ = 22636800. Its totient is φ = 11269328.

The previous prime is 16940773. The next prime is 16940827. The reversal of 16940793 is 39704961.

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

It is a cyclic number.

It is not a de Polignac number, because 16940793 - 2⁹ = 16940281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16940713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (2829600).

Almost surely, 2^16940793 is an apocalyptic number.

It is an amenable number.

16940793 is a deficient number, since it is larger than the sum of its proper divisors (5696007).

16940793 is a wasteful number, since it uses less digits than its factorization.

16940793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 16940793 is about 4115.9194598534. The cubic root of 16940793 is about 256.8293062264.

The spelling of 16940793 in words is "sixteen million, nine hundred forty thousand, seven hundred ninety-three".