3847425 has 24 divisors (see below), whose sum is σ = 6514464. Its totient is φ = 2002560.

The previous prime is 3847421. The next prime is 3847433. The reversal of 3847425 is 5247483.

It is not a de Polignac number, because 3847425 - 2² = 3847421 is a prime.

3847425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3847421) 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, 2629 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (271436).

Almost surely, 2^3847425 is an apocalyptic number.

It is an amenable number.

3847425 is a deficient number, since it is larger than the sum of its proper divisors (2667039).

3847425 is a wasteful number, since it uses less digits than its factorization.

3847425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1244 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 3847425 is about 1961.4854065223. The cubic root of 3847425 is about 156.6955708453.

The spelling of 3847425 in words is "three million, eight hundred forty-seven thousand, four hundred twenty-five".