16994269 has 4 divisors (see below), whose sum is σ = 17003196. Its totient is φ = 16985344.

The previous prime is 16994267. The next prime is 16994273. The reversal of 16994269 is 96249961.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6996025 + 9998244 = 2645^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 16994269 - 2¹ = 16994267 is a prime.

It is a super-2 number, since 2×16994269² = 577610357688722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994267) 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, 334 + ... + 5839.

It is an arithmetic number, because the mean of its divisors is an integer number (4250799).

Almost surely, 2^16994269 is an apocalyptic number.

It is an amenable number.

16994269 is a deficient number, since it is larger than the sum of its proper divisors (8927).

16994269 is an equidigital number, since it uses as much as digits as its factorization.

16994269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926.

The product of its digits is 209952, while the sum is 46.

The square root of 16994269 is about 4122.4105812012. The cubic root of 16994269 is about 257.0992616716.

The spelling of 16994269 in words is "sixteen million, nine hundred ninety-four thousand, two hundred sixty-nine".