38393844 has 24 divisors (see below), whose sum is σ = 89759040. Its totient is φ = 12773184.

The previous prime is 38393843. The next prime is 38393857. The reversal of 38393844 is 44839383.

It is a junction number, because it is equal to n+sod(n) for n = 38393796 and 38393805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38393843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (3739960).

Almost surely, 2^38393844 is an apocalyptic number.

It is an amenable number.

38393844 is an abundant number, since it is smaller than the sum of its proper divisors (51365196).

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

38393844 is a wasteful number, since it uses less digits than its factorization.

38393844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199 (or 6197 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 38393844 is about 6196.2766239089. The cubic root of 38393844 is about 337.3550367840.

The spelling of 38393844 in words is "thirty-eight million, three hundred ninety-three thousand, eight hundred forty-four".