16444732 has 6 divisors (see below), whose sum is σ = 28778288. Its totient is φ = 8222364.

The previous prime is 16444699. The next prime is 16444739. The reversal of 16444732 is 23744461.

It is a junction number, because it is equal to n+sod(n) for n = 16444694 and 16444703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055588 + ... + 2055595.

Almost surely, 2^16444732 is an apocalyptic number.

It is an amenable number.

16444732 is a deficient number, since it is larger than the sum of its proper divisors (12333556).

16444732 is a wasteful number, since it uses less digits than its factorization.

16444732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111187 (or 4111185 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 16444732 is about 4055.2104754254. The cubic root of 16444732 is about 254.2976031017.

The spelling of 16444732 in words is "sixteen million, four hundred forty-four thousand, seven hundred thirty-two".