38633744 has 40 divisors (see below), whose sum is σ = 78596160. Its totient is φ = 18361728.

The previous prime is 38633701. The next prime is 38633753. The reversal of 38633744 is 44733683.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38633698 and 38633707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101747 + ... + 102125.

It is an arithmetic number, because the mean of its divisors is an integer number (1964904).

Almost surely, 2^38633744 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 38633744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39298080).

38633744 is an abundant number, since it is smaller than the sum of its proper divisors (39962416).

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

38633744 is a wasteful number, since it uses less digits than its factorization.

38633744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 38633744 is about 6215.6048780469. The cubic root of 38633744 is about 338.0562211721.

The spelling of 38633744 in words is "thirty-eight million, six hundred thirty-three thousand, seven hundred forty-four".