38487744 has 56 divisors (see below), whose sum is σ = 113151920. Its totient is φ = 12828672.

The previous prime is 38487739. The next prime is 38487769. The reversal of 38487744 is 44778483.

It is a self number, because there is not a number n which added to its sum of digits gives 38487744.

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, 9409 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (2020570).

Almost surely, 2^38487744 is an apocalyptic number.

It is an amenable number.

38487744 is an abundant number, since it is smaller than the sum of its proper divisors (74664176).

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

38487744 is a wasteful number, since it uses less digits than its factorization.

38487744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22294 (or 22278 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 38487744 is about 6203.8491277593. The cubic root of 38487744 is about 337.6298364652.

The spelling of 38487744 in words is "thirty-eight million, four hundred eighty-seven thousand, seven hundred forty-four".