38447932 has 12 divisors (see below), whose sum is σ = 68206096. Its totient is φ = 18960480.

The previous prime is 38447917. The next prime is 38447933. The reversal of 38447932 is 23974483.

38447932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38447933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65544 + ... + 66127.

Almost surely, 2^38447932 is an apocalyptic number.

It is an amenable number.

38447932 is a deficient number, since it is larger than the sum of its proper divisors (29758164).

38447932 is a wasteful number, since it uses less digits than its factorization.

38447932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131748 (or 131746 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 38447932 is about 6200.6396444238. The cubic root of 38447932 is about 337.5133807224.

The spelling of 38447932 in words is "thirty-eight million, four hundred forty-seven thousand, nine hundred thirty-two".