4857642 has 24 divisors (see below), whose sum is σ = 10583040. Its totient is φ = 1610280.

The previous prime is 4857637. The next prime is 4857649. The reversal of 4857642 is 2467584.

4857642 is a `hidden beast` number, since 4 + 8 + 5 + 7 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4857597 and 4857606.

It is not an unprimeable number, because it can be changed into a prime (4857649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3159 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (440960).

Almost surely, 2^4857642 is an apocalyptic number.

4857642 is an abundant number, since it is smaller than the sum of its proper divisors (5725398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4857642 is a wasteful number, since it uses less digits than its factorization.

4857642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1495 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4857642 is about 2204.0058983587. The cubic root of 4857642 is about 169.3590861625.

The spelling of 4857642 in words is "four million, eight hundred fifty-seven thousand, six hundred forty-two".