38843444 has 12 divisors (see below), whose sum is σ = 68136768. Its totient is φ = 19375800.

The previous prime is 38843393. The next prime is 38843449. The reversal of 38843444 is 44434883.

It is a super-2 number, since 2×38843444² = 3017626283562272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38843398 and 38843407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38843449) 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, 9542 + ... + 12989.

It is an arithmetic number, because the mean of its divisors is an integer number (5678064).

Almost surely, 2^38843444 is an apocalyptic number.

It is an amenable number.

38843444 is a deficient number, since it is larger than the sum of its proper divisors (29293324).

38843444 is a wasteful number, since it uses less digits than its factorization.

38843444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22966 (or 22964 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 38843444 is about 6232.4508822774. The cubic root of 38843444 is about 338.6667626807. Note that the first 3 decimals are identical.

The spelling of 38843444 in words is "thirty-eight million, eight hundred forty-three thousand, four hundred forty-four".