16894419 has 8 divisors (see below), whose sum is σ = 23075472. Its totient is φ = 10988160.

The previous prime is 16894403. The next prime is 16894421. The reversal of 16894419 is 91449861.

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

It is not a de Polignac number, because 16894419 - 2⁴ = 16894403 is a prime.

It is a super-2 number, since 2×16894419² = 570842786695122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16894919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68554 + ... + 68799.

It is an arithmetic number, because the mean of its divisors is an integer number (2884434).

Almost surely, 2^16894419 is an apocalyptic number.

16894419 is a deficient number, since it is larger than the sum of its proper divisors (6181053).

16894419 is a wasteful number, since it uses less digits than its factorization.

16894419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137397.

The product of its digits is 62208, while the sum is 42.

The square root of 16894419 is about 4110.2821071065. The cubic root of 16894419 is about 256.5947425014.

The spelling of 16894419 in words is "sixteen million, eight hundred ninety-four thousand, four hundred nineteen".