3874257 has 32 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 2434320.

The previous prime is 3874243. The next prime is 3874279. The reversal of 3874257 is 7524783.

It is not a de Polignac number, because 3874257 - 2⁶ = 3874193 is a prime.

3874257 is a modest number, since divided by 4257 gives 387 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3874237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54532 + ... + 54602.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

Almost surely, 2^3874257 is an apocalyptic number.

It is an amenable number.

3874257 is a deficient number, since it is larger than the sum of its proper divisors (2208303).

3874257 is a wasteful number, since it uses less digits than its factorization.

3874257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 164 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3874257 is about 1968.3132372669. The cubic root of 3874257 is about 157.0589930711.

The spelling of 3874257 in words is "three million, eight hundred seventy-four thousand, two hundred fifty-seven".