39489825 has 12 divisors (see below), whose sum is σ = 65289968. Its totient is φ = 21061200.

The previous prime is 39489817. The next prime is 39489829. The reversal of 39489825 is 52898493.

It is not a de Polignac number, because 39489825 - 2³ = 39489817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39489829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263191 + ... + 263340.

Almost surely, 2^39489825 is an apocalyptic number.

It is an amenable number.

39489825 is a deficient number, since it is larger than the sum of its proper divisors (25800143).

39489825 is a wasteful number, since it uses less digits than its factorization.

39489825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526544 (or 526539 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 39489825 is about 6284.0930133154. The cubic root of 39489825 is about 340.5349853327.

The spelling of 39489825 in words is "thirty-nine million, four hundred eighty-nine thousand, eight hundred twenty-five".