38257944 has 64 divisors (see below), whose sum is σ = 102643200. Its totient is φ = 11846016.

The previous prime is 38257909. The next prime is 38257951. The reversal of 38257944 is 44975283.

It is a junction number, because it is equal to n+sod(n) for n = 38257896 and 38257905.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23377 + ... + 24959.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^38257944 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 38257944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51321600).

38257944 is an abundant number, since it is smaller than the sum of its proper divisors (64385256).

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

38257944 is a wasteful number, since it uses less digits than its factorization.

38257944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1660 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 38257944 is about 6185.3006394192. The cubic root of 38257944 is about 336.9565288930.

The spelling of 38257944 in words is "thirty-eight million, two hundred fifty-seven thousand, nine hundred forty-four".