16894349 has 4 divisors (see below), whose sum is σ = 17439360. Its totient is φ = 16349340.

The previous prime is 16894321. The next prime is 16894357. The reversal of 16894349 is 94349861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94349861 = 2143 ⋅44027.

It is a cyclic number.

It is not a de Polignac number, because 16894349 - 2²⁴ = 117133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16894649) 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, 272459 + ... + 272520.

It is an arithmetic number, because the mean of its divisors is an integer number (4359840).

Almost surely, 2^16894349 is an apocalyptic number.

It is an amenable number.

16894349 is a deficient number, since it is larger than the sum of its proper divisors (545011).

16894349 is an equidigital number, since it uses as much as digits as its factorization.

16894349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545010.

The product of its digits is 186624, while the sum is 44.

The square root of 16894349 is about 4110.2735918671. The cubic root of 16894349 is about 256.5943881110.

The spelling of 16894349 in words is "sixteen million, eight hundred ninety-four thousand, three hundred forty-nine".