39937425 has 24 divisors (see below), whose sum is σ = 72034080. Its totient is φ = 19363200.

The previous prime is 39937421. The next prime is 39937433. The reversal of 39937425 is 52473993.

It is not a de Polignac number, because 39937425 - 2² = 39937421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39937421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23380 + ... + 25029.

It is an arithmetic number, because the mean of its divisors is an integer number (3001420).

Almost surely, 2^39937425 is an apocalyptic number.

It is an amenable number.

39937425 is a deficient number, since it is larger than the sum of its proper divisors (32096655).

39937425 is a wasteful number, since it uses less digits than its factorization.

39937425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48433 (or 48428 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 39937425 is about 6319.6063959712. The cubic root of 39937425 is about 341.8167600181.

It can be divided in two parts, 3993 and 7425, that multiplied together give a square (29648025 = 5445²).

The spelling of 39937425 in words is "thirty-nine million, nine hundred thirty-seven thousand, four hundred twenty-five".