16973394 has 16 divisors (see below), whose sum is σ = 33987168. Its totient is φ = 5651072.

The previous prime is 16973377. The next prime is 16973401. The reversal of 16973394 is 49337961.

It is a super-2 number, since 2×16973394² = 576192207758472, which contains 22 as substring.

It is a Curzon 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, 9154 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (2124198).

Almost surely, 2^16973394 is an apocalyptic number.

16973394 is an abundant number, since it is smaller than the sum of its proper divisors (17013774).

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

16973394 is a wasteful number, since it uses less digits than its factorization.

16973394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369.

The product of its digits is 122472, while the sum is 42.

The square root of 16973394 is about 4119.8779108124. The cubic root of 16973394 is about 256.9939487944.

The spelling of 16973394 in words is "sixteen million, nine hundred seventy-three thousand, three hundred ninety-four".