4671861 has 4 divisors (see below), whose sum is σ = 6229152. Its totient is φ = 3114572.

The previous prime is 4671859. The next prime is 4671869. The reversal of 4671861 is 1681764.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4671861 - 2¹ = 4671859 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4671869) 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, 778641 + ... + 778646.

It is an arithmetic number, because the mean of its divisors is an integer number (1557288).

Almost surely, 2^4671861 is an apocalyptic number.

It is an amenable number.

4671861 is a deficient number, since it is larger than the sum of its proper divisors (1557291).

4671861 is a wasteful number, since it uses less digits than its factorization.

4671861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557290.

The product of its digits is 8064, while the sum is 33.

The square root of 4671861 is about 2161.4488196578. The cubic root of 4671861 is about 167.1719099388.

The spelling of 4671861 in words is "four million, six hundred seventy-one thousand, eight hundred sixty-one".