4644887 has 8 divisors (see below), whose sum is σ = 5019840. Its totient is φ = 4272480.

The previous prime is 4644883. The next prime is 4644907. The reversal of 4644887 is 7884464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4644887 - 2² = 4644883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (627480).

Almost surely, 2^4644887 is an apocalyptic number.

4644887 is a deficient number, since it is larger than the sum of its proper divisors (374953).

4644887 is a wasteful number, since it uses less digits than its factorization.

4644887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its digits is 172032, while the sum is 41.

The square root of 4644887 is about 2155.1999907201. The cubic root of 4644887 is about 166.8495543503.

The spelling of 4644887 in words is "four million, six hundred forty-four thousand, eight hundred eighty-seven".