38443712 has 28 divisors (see below), whose sum is σ = 76510896. Its totient is φ = 19165440.

The previous prime is 38443711. The next prime is 38443721. The reversal of 38443712 is 21734483.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (38443711) 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, 28853 + ... + 30155.

It is an arithmetic number, because the mean of its divisors is an integer number (2732532).

Almost surely, 2^38443712 is an apocalyptic number.

38443712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38443712 is a deficient number, since it is larger than the sum of its proper divisors (38067184).

38443712 is a wasteful number, since it uses less digits than its factorization.

38443712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1766 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 38443712 is about 6200.2993476122. The cubic root of 38443712 is about 337.5010319127.

The spelling of 38443712 in words is "thirty-eight million, four hundred forty-three thousand, seven hundred twelve".