3908471825 has 24 divisors (see below), whose sum is σ = 4981383552. Its totient is φ = 3040614720.

The previous prime is 3908471789. The next prime is 3908471843. The reversal of 3908471825 is 5281748093.

It is a happy number.

It is not a de Polignac number, because 3908471825 - 2⁶ = 3908471761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 3908471825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173882 + ... + 195068.

It is an arithmetic number, because the mean of its divisors is an integer number (207557648).

Almost surely, 2^3908471825 is an apocalyptic number.

It is an amenable number.

3908471825 is a deficient number, since it is larger than the sum of its proper divisors (1072911727).

3908471825 is a wasteful number, since it uses less digits than its factorization.

3908471825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21401 (or 21396 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 3908471825 is about 62517.7720732273. The cubic root of 3908471825 is about 1575.1998503435.

The spelling of 3908471825 in words is "three billion, nine hundred eight million, four hundred seventy-one thousand, eight hundred twenty-five".