4891859 has 8 divisors (see below), whose sum is σ = 5632608. Its totient is φ = 4161600.

The previous prime is 4891853. The next prime is 4891879. The reversal of 4891859 is 9581984.

4891859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4891859 - 2¹² = 4887763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891853) 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 7 ways as a sum of consecutive naturals, for example, 1592 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (704076).

Almost surely, 2^4891859 is an apocalyptic number.

4891859 is a deficient number, since it is larger than the sum of its proper divisors (740749).

4891859 is a wasteful number, since it uses less digits than its factorization.

4891859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245.

The product of its digits is 103680, while the sum is 44.

The square root of 4891859 is about 2211.7547332378. The cubic root of 4891859 is about 169.7558085760.

The spelling of 4891859 in words is "four million, eight hundred ninety-one thousand, eight hundred fifty-nine".