16293972 has 24 divisors (see below), whose sum is σ = 39246592. Its totient is φ = 5256000.

The previous prime is 16293961. The next prime is 16293989. The reversal of 16293972 is 27939261.

It is a self number, because there is not a number n which added to its sum of digits gives 16293972.

It is a congruent number.

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, 21529 + ... + 22272.

Almost surely, 2^16293972 is an apocalyptic number.

16293972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16293972 is an abundant number, since it is smaller than the sum of its proper divisors (22952620).

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

16293972 is a wasteful number, since it uses less digits than its factorization.

16293972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43839 (or 43837 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 16293972 is about 4036.5792448557. The cubic root of 16293972 is about 253.5181100390.

The spelling of 16293972 in words is "sixteen million, two hundred ninety-three thousand, nine hundred seventy-two".