4866257 has 12 divisors (see below), whose sum is σ = 5407248. Its totient is φ = 4375800.

The previous prime is 4866241. The next prime is 4866263. The reversal of 4866257 is 7526684.

It is a happy number.

It is not a de Polignac number, because 4866257 - 2⁴ = 4866241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4866257.

It is not an unprimeable number, because it can be changed into a prime (4866227) 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, 15698 + ... + 16004.

It is an arithmetic number, because the mean of its divisors is an integer number (450604).

Almost surely, 2^4866257 is an apocalyptic number.

It is an amenable number.

4866257 is a deficient number, since it is larger than the sum of its proper divisors (540991).

4866257 is a wasteful number, since it uses less digits than its factorization.

4866257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 449 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 4866257 is about 2205.9594284574. The cubic root of 4866257 is about 169.4591461539.

It can be divided in two parts, 4 and 866257, that multiplied together give a triangular number (3465028 = T₂₆₃₂).

The spelling of 4866257 in words is "four million, eight hundred sixty-six thousand, two hundred fifty-seven".