16944394 has 8 divisors (see below), whose sum is σ = 25738560. Its totient is φ = 8364876.

The previous prime is 16944349. The next prime is 16944407. The reversal of 16944394 is 49344961.

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

It is a super-2 number, since 2×16944394² = 574224976054472, which contains 22 as substring.

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, 53464 + ... + 53779.

It is an arithmetic number, because the mean of its divisors is an integer number (3217320).

Almost surely, 2^16944394 is an apocalyptic number.

16944394 is a deficient number, since it is larger than the sum of its proper divisors (8794166).

16944394 is a wasteful number, since it uses less digits than its factorization.

16944394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107324.

The product of its digits is 93312, while the sum is 40.

The square root of 16944394 is about 4116.3568844307. The cubic root of 16944394 is about 256.8475024783.

The spelling of 16944394 in words is "sixteen million, nine hundred forty-four thousand, three hundred ninety-four".