16894147 has 4 divisors (see below), whose sum is σ = 16944616. Its totient is φ = 16843680.

The previous prime is 16894139. The next prime is 16894151. The reversal of 16894147 is 74149861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16894147 - 2³ = 16894139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16894127) 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, 24729 + ... + 25402.

It is an arithmetic number, because the mean of its divisors is an integer number (4236154).

Almost surely, 2^16894147 is an apocalyptic number.

16894147 is a deficient number, since it is larger than the sum of its proper divisors (50469).

16894147 is an equidigital number, since it uses as much as digits as its factorization.

16894147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50468.

The product of its digits is 48384, while the sum is 40.

The square root of 16894147 is about 4110.2490192201. The cubic root of 16894147 is about 256.5933654363.

The spelling of 16894147 in words is "sixteen million, eight hundred ninety-four thousand, one hundred forty-seven".