4489631 has 4 divisors (see below), whose sum is σ = 4494264. Its totient is φ = 4485000.

The previous prime is 4489621. The next prime is 4489651. The reversal of 4489631 is 1369844.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4489631 - 2¹⁰ = 4488607 is a prime.

It is a super-2 number, since 2×4489631² = 40313573032322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4489591 and 4489600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489621) 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, 245 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (1123566).

Almost surely, 2^4489631 is an apocalyptic number.

4489631 is a deficient number, since it is larger than the sum of its proper divisors (4633).

4489631 is a wasteful number, since it uses less digits than its factorization.

4489631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632.

The product of its digits is 20736, while the sum is 35.

The square root of 4489631 is about 2118.8749373193. The cubic root of 4489631 is about 164.9694586876.

The spelling of 4489631 in words is "four million, four hundred eighty-nine thousand, six hundred thirty-one".