38121232 has 20 divisors (see below), whose sum is σ = 74129680. Its totient is φ = 18991008.

The previous prime is 38121229. The next prime is 38121233. The reversal of 38121232 is 23212183.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38121233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 8737.

It is an arithmetic number, because the mean of its divisors is an integer number (3706484).

Almost surely, 2^38121232 is an apocalyptic number.

It is an amenable number.

38121232 is a deficient number, since it is larger than the sum of its proper divisors (36008448).

38121232 is a wasteful number, since it uses less digits than its factorization.

38121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710 (or 8704 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 38121232 is about 6174.2393863536. The cubic root of 38121232 is about 336.5546865868.

The spelling of 38121232 in words is "thirty-eight million, one hundred twenty-one thousand, two hundred thirty-two".