16998942 has 8 divisors (see below), whose sum is σ = 33997896. Its totient is φ = 5666312.

The previous prime is 16998923. The next prime is 16998973. The reversal of 16998942 is 24989961.

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

16998942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16998891 and 16998900.

It is a congruent number.

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, 1416573 + ... + 1416584.

It is an arithmetic number, because the mean of its divisors is an integer number (4249737).

Almost surely, 2^16998942 is an apocalyptic number.

16998942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16998942 is a wasteful number, since it uses less digits than its factorization.

16998942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833162.

The product of its digits is 279936, while the sum is 48.

The square root of 16998942 is about 4122.9773222757. The cubic root of 16998942 is about 257.1228248063.

The spelling of 16998942 in words is "sixteen million, nine hundred ninety-eight thousand, nine hundred forty-two".