16239244 has 12 divisors (see below), whose sum is σ = 32478544. Its totient is φ = 6959664.

The previous prime is 16239241. The next prime is 16239269. The reversal of 16239244 is 44293261.

It is a happy number.

16239244 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16239241) 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, 289959 + ... + 290014.

Almost surely, 2^16239244 is an apocalyptic number.

16239244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16239244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16239244 is a wasteful number, since it uses less digits than its factorization.

16239244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579984 (or 579982 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 16239244 is about 4029.7945357053. The cubic root of 16239244 is about 253.2339537867.

The spelling of 16239244 in words is "sixteen million, two hundred thirty-nine thousand, two hundred forty-four".