38423925 has 18 divisors (see below), whose sum is σ = 68821922. Its totient is φ = 20492640.

The previous prime is 38423923. The next prime is 38423933. The reversal of 38423925 is 52932483.

38423925 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 1954404 + 36469521 = 1398^2 + 6039^2 .

It is not a de Polignac number, because 38423925 - 2¹ = 38423923 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 38423925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38423921) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 85162 + ... + 85611.

Almost surely, 2^38423925 is an apocalyptic number.

It is an amenable number.

38423925 is a deficient number, since it is larger than the sum of its proper divisors (30397997).

38423925 is a wasteful number, since it uses less digits than its factorization.

38423925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170789 (or 170781 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 38423925 is about 6198.7034934735. The cubic root of 38423925 is about 337.4431179857.

The spelling of 38423925 in words is "thirty-eight million, four hundred twenty-three thousand, nine hundred twenty-five".