38748784 has 20 divisors (see below), whose sum is σ = 75852784. Its totient is φ = 19173888.

The previous prime is 38748779. The next prime is 38748793. The reversal of 38748784 is 48784783.

It is a happy number.

It is a super-2 number, since 2×38748784² = 3002936522957312, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 10932 + ... + 14035.

Almost surely, 2^38748784 is an apocalyptic number.

It is an amenable number.

38748784 is a deficient number, since it is larger than the sum of its proper divisors (37104000).

38748784 is a wasteful number, since it uses less digits than its factorization.

38748784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25072 (or 25066 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 38748784 is about 6224.8521267577. The cubic root of 38748784 is about 338.3914328841.

The spelling of 38748784 in words is "thirty-eight million, seven hundred forty-eight thousand, seven hundred eighty-four".