38944438 has 8 divisors (see below), whose sum is σ = 62910288. Its totient is φ = 17974344.

The previous prime is 38944421. The next prime is 38944439. The reversal of 38944438 is 83444983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38944438² = 3033338502271688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38944394 and 38944403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38944439) 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, 748906 + ... + 748957.

It is an arithmetic number, because the mean of its divisors is an integer number (7863786).

Almost surely, 2^38944438 is an apocalyptic number.

38944438 is a deficient number, since it is larger than the sum of its proper divisors (23965850).

38944438 is a wasteful number, since it uses less digits than its factorization.

38944438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497878.

The product of its digits is 331776, while the sum is 43.

The square root of 38944438 is about 6240.5478926133. The cubic root of 38944438 is about 338.9600228990.

The spelling of 38944438 in words is "thirty-eight million, nine hundred forty-four thousand, four hundred thirty-eight".