38221832 has 32 divisors (see below), whose sum is σ = 79138080. Its totient is φ = 17160960.

The previous prime is 38221829. The next prime is 38221861. The reversal of 38221832 is 23812283.

It is a junction number, because it is equal to n+sod(n) for n = 38221795 and 38221804.

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, 4688 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (2473065).

Almost surely, 2^38221832 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 38221832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39569040).

38221832 is an abundant number, since it is smaller than the sum of its proper divisors (40916248).

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

38221832 is a wasteful number, since it uses less digits than its factorization.

38221832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333 (or 5329 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 38221832 is about 6182.3807711916. The cubic root of 38221832 is about 336.8504768033.

The spelling of 38221832 in words is "thirty-eight million, two hundred twenty-one thousand, eight hundred thirty-two".