38668925 has 6 divisors (see below), whose sum is σ = 47949498. Its totient is φ = 30935120.

The previous prime is 38668907. The next prime is 38668951. The reversal of 38668925 is 52986683.

It is a happy number.

38668925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8076964 + 30591961 = 2842^2 + 5531^2 .

It is not a de Polignac number, because 38668925 - 2¹⁰ = 38667901 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 38668925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 773354 + ... + 773403.

It is an arithmetic number, because the mean of its divisors is an integer number (7991583).

Almost surely, 2^38668925 is an apocalyptic number.

It is an amenable number.

38668925 is a deficient number, since it is larger than the sum of its proper divisors (9280573).

38668925 is a wasteful number, since it uses less digits than its factorization.

38668925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546767 (or 1546762 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 38668925 is about 6218.4342884684. The cubic root of 38668925 is about 338.1588046171.

It can be divided in two parts, 38668 and 925, that added together give a palindrome (39593).

The spelling of 38668925 in words is "thirty-eight million, six hundred sixty-eight thousand, nine hundred twenty-five".