16879393 has 4 divisors (see below), whose sum is σ = 16906288. Its totient is φ = 16852500.

The previous prime is 16879339. The next prime is 16879403. The reversal of 16879393 is 39397861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16879393 - 2⁹ = 16878881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16879333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12483 + ... + 13768.

It is an arithmetic number, because the mean of its divisors is an integer number (4226572).

Almost surely, 2^16879393 is an apocalyptic number.

It is an amenable number.

16879393 is a deficient number, since it is larger than the sum of its proper divisors (26895).

16879393 is an equidigital number, since it uses as much as digits as its factorization.

16879393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894.

The product of its digits is 244944, while the sum is 46.

The square root of 16879393 is about 4108.4538454265. The cubic root of 16879393 is about 256.5186476240.

The spelling of 16879393 in words is "sixteen million, eight hundred seventy-nine thousand, three hundred ninety-three".