4664861 has 4 divisors (see below), whose sum is σ = 4910400. Its totient is φ = 4419324.

The previous prime is 4664839. The next prime is 4664867. The reversal of 4664861 is 1684664.

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 not a de Polignac number, because 4664861 - 2¹⁴ = 4648477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664867) 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, 122741 + ... + 122778.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 2^4664861 is an apocalyptic number.

It is an amenable number.

4664861 is a deficient number, since it is larger than the sum of its proper divisors (245539).

4664861 is a wasteful number, since it uses less digits than its factorization.

4664861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245538.

The product of its digits is 27648, while the sum is 35.

The square root of 4664861 is about 2159.8289284108. The cubic root of 4664861 is about 167.0883751827.

The spelling of 4664861 in words is "four million, six hundred sixty-four thousand, eight hundred sixty-one".