38839425 has 24 divisors (see below), whose sum is σ = 64817280. Its totient is φ = 20520000.

The previous prime is 38839421. The next prime is 38839429. The reversal of 38839425 is 52493883.

It is an interprime number because it is at equal distance from previous prime (38839421) and next prime (38839429).

It is not a de Polignac number, because 38839425 - 2² = 38839421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38839421) 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, 5800 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (2700720).

Almost surely, 2^38839425 is an apocalyptic number.

It is an amenable number.

38839425 is a deficient number, since it is larger than the sum of its proper divisors (25977855).

38839425 is a wasteful number, since it uses less digits than its factorization.

38839425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873 (or 4868 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 38839425 is about 6232.1284486121. The cubic root of 38839425 is about 338.6550820424.

The spelling of 38839425 in words is "thirty-eight million, eight hundred thirty-nine thousand, four hundred twenty-five".