38868749 has 8 divisors (see below), whose sum is σ = 41404608. Its totient is φ = 36360640.

The previous prime is 38868743. The next prime is 38868751. The reversal of 38868749 is 94786883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38868749 - 2⁴ = 38868733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38868749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38868743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4007 + ... + 9684.

It is an arithmetic number, because the mean of its divisors is an integer number (5175576).

Almost surely, 2^38868749 is an apocalyptic number.

It is an amenable number.

38868749 is a deficient number, since it is larger than the sum of its proper divisors (2535859).

38868749 is a wasteful number, since it uses less digits than its factorization.

38868749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875.

The product of its digits is 2322432, while the sum is 53.

The square root of 38868749 is about 6234.4806519870. The cubic root of 38868749 is about 338.7402894780.

It can be divided in two parts, 3886874 and 9, that added together give a palindrome (3886883).

The spelling of 38868749 in words is "thirty-eight million, eight hundred sixty-eight thousand, seven hundred forty-nine".