4851657 has 20 divisors (see below), whose sum is σ = 7339860. Its totient is φ = 3193344.

The previous prime is 4851619. The next prime is 4851659. The reversal of 4851657 is 7561584.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 3606201 = 1116^2 + 1899^2 .

It is not a de Polignac number, because 4851657 - 2⁷ = 4851529 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4851659) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6873 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (366993).

Almost surely, 2^4851657 is an apocalyptic number.

It is an amenable number.

4851657 is a deficient number, since it is larger than the sum of its proper divisors (2488203).

4851657 is an equidigital number, since it uses as much as digits as its factorization.

4851657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 765 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 4851657 is about 2202.6477248984. The cubic root of 4851657 is about 169.2895029710.

The spelling of 4851657 in words is "four million, eight hundred fifty-one thousand, six hundred fifty-seven".