16397752 has 48 divisors (see below), whose sum is σ = 36423000. Its totient is φ = 6898752.

The previous prime is 16397747. The next prime is 16397761. The reversal of 16397752 is 25779361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22774 + ... + 23482.

Almost surely, 2^16397752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16397752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18211500).

16397752 is an abundant number, since it is smaller than the sum of its proper divisors (20025248).

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

16397752 is a wasteful number, since it uses less digits than its factorization.

16397752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 777 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 16397752 is about 4049.4137847348. The cubic root of 16397752 is about 254.0552094426.

The spelling of 16397752 in words is "sixteen million, three hundred ninety-seven thousand, seven hundred fifty-two".