38897925 has 24 divisors (see below), whose sum is σ = 70159200. Its totient is φ = 18859200.

The previous prime is 38897917. The next prime is 38897927. The reversal of 38897925 is 52979883.

It is not a de Polignac number, because 38897925 - 2³ = 38897917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22750 + ... + 24399.

It is an arithmetic number, because the mean of its divisors is an integer number (2923300).

Almost surely, 2^38897925 is an apocalyptic number.

It is an amenable number.

38897925 is a deficient number, since it is larger than the sum of its proper divisors (31261275).

38897925 is a wasteful number, since it uses less digits than its factorization.

38897925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47173 (or 47168 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 38897925 is about 6236.8201032257. The cubic root of 38897925 is about 338.8250243454.

The spelling of 38897925 in words is "thirty-eight million, eight hundred ninety-seven thousand, nine hundred twenty-five".