16983994 has 8 divisors (see below), whose sum is σ = 25502400. Its totient is φ = 8483196.

The previous prime is 16983991. The next prime is 16983997. The reversal of 16983994 is 49938961.

It is an interprime number because it is at equal distance from previous prime (16983991) and next prime (16983997).

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

It is not an unprimeable number, because it can be changed into a prime (16983991) 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, 1644 + ... + 6055.

It is an arithmetic number, because the mean of its divisors is an integer number (3187800).

Almost surely, 2^16983994 is an apocalyptic number.

16983994 is a deficient number, since it is larger than the sum of its proper divisors (8518406).

16983994 is a wasteful number, since it uses less digits than its factorization.

16983994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804.

The product of its digits is 419904, while the sum is 49.

The square root of 16983994 is about 4121.1641559152. The cubic root of 16983994 is about 257.0474358180.

The spelling of 16983994 in words is "sixteen million, nine hundred eighty-three thousand, nine hundred ninety-four".