16243944 has 32 divisors (see below), whose sum is σ = 42012000. Its totient is φ = 5227712.

The previous prime is 16243937. The next prime is 16243961. The reversal of 16243944 is 44934261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10974 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (1312875).

Almost surely, 2^16243944 is an apocalyptic number.

It is an amenable number.

16243944 is an abundant number, since it is smaller than the sum of its proper divisors (25768056).

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

16243944 is a wasteful number, since it uses less digits than its factorization.

16243944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23377 (or 23373 counting only the distinct ones).

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

The square root of 16243944 is about 4030.3776497991. The cubic root of 16243944 is about 253.2583819514.

The spelling of 16243944 in words is "sixteen million, two hundred forty-three thousand, nine hundred forty-four".