4866621 has 4 divisors (see below), whose sum is σ = 6488832. Its totient is φ = 3244412.

The previous prime is 4866601. The next prime is 4866623. The reversal of 4866621 is 1266684.

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 4866621 - 2⁶ = 4866557 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4866623) 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, 811101 + ... + 811106.

It is an arithmetic number, because the mean of its divisors is an integer number (1622208).

Almost surely, 2^4866621 is an apocalyptic number.

It is an amenable number.

4866621 is a deficient number, since it is larger than the sum of its proper divisors (1622211).

4866621 is a wasteful number, since it uses less digits than its factorization.

4866621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622210.

The product of its digits is 13824, while the sum is 33.

The square root of 4866621 is about 2206.0419306985. The cubic root of 4866621 is about 169.4633712761.

The spelling of 4866621 in words is "four million, eight hundred sixty-six thousand, six hundred twenty-one".