16979941 has 4 divisors (see below), whose sum is σ = 18523584. Its totient is φ = 15436300.

The previous prime is 16979933. The next prime is 16979951. The reversal of 16979941 is 14997961.

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 not a de Polignac number, because 16979941 - 2³ = 16979933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16979891 and 16979900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16979951) 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, 771805 + ... + 771826.

It is an arithmetic number, because the mean of its divisors is an integer number (4630896).

Almost surely, 2^16979941 is an apocalyptic number.

16979941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16979941 is a deficient number, since it is larger than the sum of its proper divisors (1543643).

16979941 is a wasteful number, since it uses less digits than its factorization.

16979941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543642.

The product of its digits is 122472, while the sum is 46.

The square root of 16979941 is about 4120.6723965877. The cubic root of 16979941 is about 257.0269872289.

The spelling of 16979941 in words is "sixteen million, nine hundred seventy-nine thousand, nine hundred forty-one".