38752644 has 48 divisors (see below), whose sum is σ = 104115200. Its totient is φ = 10989216.

The previous prime is 38752633. The next prime is 38752669. The reversal of 38752644 is 44625783.

It is a happy 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, 10017 + ... + 13335.

Almost surely, 2^38752644 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 38752644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52057600).

38752644 is an abundant number, since it is smaller than the sum of its proper divisors (65362556).

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

38752644 is a wasteful number, since it uses less digits than its factorization.

38752644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472 (or 3470 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 38752644 is about 6225.1621665624. The cubic root of 38752644 is about 338.4026689147.

The spelling of 38752644 in words is "thirty-eight million, seven hundred fifty-two thousand, six hundred forty-four".