16432944 has 40 divisors (see below), whose sum is σ = 46312512. Its totient is φ = 4979520.

The previous prime is 16432943. The next prime is 16432979. The reversal of 16432944 is 44923461.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16432943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15034 + ... + 16089.

Almost surely, 2^16432944 is an apocalyptic number.

It is an amenable number.

16432944 is an abundant number, since it is smaller than the sum of its proper divisors (29879568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16432944 is a wasteful number, since it uses less digits than its factorization.

16432944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31145 (or 31139 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 16432944 is about 4053.7567761275. The cubic root of 16432944 is about 254.2368262584.

The spelling of 16432944 in words is "sixteen million, four hundred thirty-two thousand, nine hundred forty-four".