16885244 has 6 divisors (see below), whose sum is σ = 29549184. Its totient is φ = 8442620.

The previous prime is 16885237. The next prime is 16885261. The reversal of 16885244 is 44258861.

It is a happy number.

It is a super-2 number, since 2×16885244² = 570222929879072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16885198 and 16885207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110652 + ... + 2110659.

It is an arithmetic number, because the mean of its divisors is an integer number (4924864).

Almost surely, 2^16885244 is an apocalyptic number.

It is an amenable number.

16885244 is a deficient number, since it is larger than the sum of its proper divisors (12663940).

16885244 is a wasteful number, since it uses less digits than its factorization.

16885244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221315 (or 4221313 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 16885244 is about 4109.1658520921. The cubic root of 16885244 is about 256.5482837059.

The spelling of 16885244 in words is "sixteen million, eight hundred eighty-five thousand, two hundred forty-four".