16949942 has 16 divisors (see below), whose sum is σ = 26719200. Its totient is φ = 8048832.

The previous prime is 16949929. The next prime is 16949951. The reversal of 16949942 is 24994961.

It is a junction number, because it is equal to n+sod(n) for n = 16949893 and 16949902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5618 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (1669950).

Almost surely, 2^16949942 is an apocalyptic number.

16949942 is a deficient number, since it is larger than the sum of its proper divisors (9769258).

16949942 is a wasteful number, since it uses less digits than its factorization.

16949942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its digits is 139968, while the sum is 44.

The square root of 16949942 is about 4117.0307261423. The cubic root of 16949942 is about 256.8755320918.

The spelling of 16949942 in words is "sixteen million, nine hundred forty-nine thousand, nine hundred forty-two".