16239952 has 20 divisors (see below), whose sum is σ = 31547956. Its totient is φ = 8098560.

The previous prime is 16239941. The next prime is 16239953. The reversal of 16239952 is 25993261.

It can be written as a sum of positive squares in 2 ways, for example, as 12645136 + 3594816 = 3556^2 + 1896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16239953) 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, 6202 + ... + 8422.

Almost surely, 2^16239952 is an apocalyptic number.

It is an amenable number.

16239952 is a deficient number, since it is larger than the sum of its proper divisors (15308004).

16239952 is a wasteful number, since it uses less digits than its factorization.

16239952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2680 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 16239952 is about 4029.8823804176. The cubic root of 16239952 is about 253.2376339054.

The spelling of 16239952 in words is "sixteen million, two hundred thirty-nine thousand, nine hundred fifty-two".