38923425 has 18 divisors (see below), whose sum is σ = 69716582. Its totient is φ = 20759040.

The previous prime is 38923403. The next prime is 38923427. The reversal of 38923425 is 52432983.

It can be written as a sum of positive squares in 3 ways, for example, as 9144576 + 29778849 = 3024^2 + 5457^2 .

It is not a de Polignac number, because 38923425 - 2⁵ = 38923393 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 38923425.

It is not an unprimeable number, because it can be changed into a prime (38923427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86272 + ... + 86721.

Almost surely, 2^38923425 is an apocalyptic number.

It is an amenable number.

38923425 is a deficient number, since it is larger than the sum of its proper divisors (30793157).

38923425 is a wasteful number, since it uses less digits than its factorization.

38923425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173009 (or 173001 counting only the distinct ones).

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

The square root of 38923425 is about 6238.8640793016. The cubic root of 38923425 is about 338.8990484378.

The spelling of 38923425 in words is "thirty-eight million, nine hundred twenty-three thousand, four hundred twenty-five".