4865861 has 16 divisors (see below), whose sum is σ = 6534528. Its totient is φ = 3499200.

The previous prime is 4865849. The next prime is 4865891. The reversal of 4865861 is 1685684.

It is a cyclic number.

It is not a de Polignac number, because 4865861 - 2⁶ = 4865797 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (408408).

Almost surely, 2^4865861 is an apocalyptic number.

It is an amenable number.

4865861 is a deficient number, since it is larger than the sum of its proper divisors (1668667).

4865861 is a wasteful number, since it uses less digits than its factorization.

4865861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892.

The product of its digits is 46080, while the sum is 38.

The square root of 4865861 is about 2205.8696697675. The cubic root of 4865861 is about 169.4545493531.

The spelling of 4865861 in words is "four million, eight hundred sixty-five thousand, eight hundred sixty-one".