38843472 has 20 divisors (see below), whose sum is σ = 100345760. Its totient is φ = 12947808.

The previous prime is 38843471. The next prime is 38843503. The reversal of 38843472 is 27434883.

It is a self number, because there is not a number n which added to its sum of digits gives 38843472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38843471) 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, 404572 + ... + 404667.

It is an arithmetic number, because the mean of its divisors is an integer number (5017288).

Almost surely, 2^38843472 is an apocalyptic number.

It is an amenable number.

38843472 is an abundant number, since it is smaller than the sum of its proper divisors (61502288).

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

38843472 is a wasteful number, since it uses less digits than its factorization.

38843472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809250 (or 809244 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 38843472 is about 6232.4531285843. The cubic root of 38843472 is about 338.6668440558. Note that the first 3 decimals are identical.

The spelling of 38843472 in words is "thirty-eight million, eight hundred forty-three thousand, four hundred seventy-two".