4857019 has 4 divisors (see below), whose sum is σ = 5142744. Its totient is φ = 4571296.

The previous prime is 4856981. The next prime is 4857023. The reversal of 4857019 is 9107584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4857019 is a prime.

It is a super-2 number, since 2×4857019² = 47181267132722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4857059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142837 + ... + 142870.

It is an arithmetic number, because the mean of its divisors is an integer number (1285686).

Almost surely, 2^4857019 is an apocalyptic number.

4857019 is a deficient number, since it is larger than the sum of its proper divisors (285725).

4857019 is a wasteful number, since it uses less digits than its factorization.

4857019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285724.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 4857019 is about 2203.8645602668. The cubic root of 4857019 is about 169.3518456659.

The spelling of 4857019 in words is "four million, eight hundred fifty-seven thousand, nineteen".