38844740 has 48 divisors (see below), whose sum is σ = 93683520. Its totient is φ = 13380480.

The previous prime is 38844733. The next prime is 38844749. The reversal of 38844740 is 4744883.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 38844694 and 38844703.

It is not an unprimeable number, because it can be changed into a prime (38844749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (1951740).

Almost surely, 2^38844740 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 38844740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46841760).

38844740 is an abundant number, since it is smaller than the sum of its proper divisors (54838780).

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

38844740 is a wasteful number, since it uses less digits than its factorization.

38844740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332 (or 9330 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 38844740 is about 6232.5548533487. The cubic root of 38844740 is about 338.6705291442.

The spelling of 38844740 in words is "thirty-eight million, eight hundred forty-four thousand, seven hundred forty".