4684861 has 4 divisors (see below), whose sum is σ = 4761724. Its totient is φ = 4608000.

The previous prime is 4684859. The next prime is 4684873. The reversal of 4684861 is 1684864.

4684861 = 1530² + 1531².

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

It can be written as a sum of positive squares in 2 ways, for example, as 2343961 + 2340900 = 1531^2 + 1530^2 .

It is a 6-Lehmer number, since φ(4684861) divides (4684861-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 4684861 - 2¹ = 4684859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4684861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4684891) 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, 38340 + ... + 38461.

It is an arithmetic number, because the mean of its divisors is an integer number (1190431).

Almost surely, 2^4684861 is an apocalyptic number.

4684861 is the 1531-st centered square number.

It is an amenable number.

4684861 is a deficient number, since it is larger than the sum of its proper divisors (76863).

4684861 is an equidigital number, since it uses as much as digits as its factorization.

4684861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76862.

The product of its digits is 36864, while the sum is 37.

The square root of 4684861 is about 2164.4539727146. The cubic root of 4684861 is about 167.3268248061.

It can be divided in two parts, 468 and 4861, that added together give a square (5329 = 73²).

The spelling of 4684861 in words is "four million, six hundred eighty-four thousand, eight hundred sixty-one".