38899944 has 96 divisors (see below), whose sum is σ = 113597640. Its totient is φ = 11980800.

The previous prime is 38899937. The next prime is 38899951. The reversal of 38899944 is 44999883.

It is an interprime number because it is at equal distance from previous prime (38899937) and next prime (38899951).

It can be written as a sum of positive squares in 4 ways, for example, as 24383844 + 14516100 = 4938^2 + 3810^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74404 + ... + 74924.

Almost surely, 2^38899944 is an apocalyptic number.

38899944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38899944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56798820).

38899944 is an abundant number, since it is smaller than the sum of its proper divisors (74697696).

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

38899944 is a wasteful number, since it uses less digits than its factorization.

38899944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 604 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 38899944 is about 6236.9819624559. The cubic root of 38899944 is about 338.8308864909.

The spelling of 38899944 in words is "thirty-eight million, eight hundred ninety-nine thousand, nine hundred forty-four".