484649839 has 4 divisors (see below), whose sum is σ = 487357560. Its totient is φ = 481942120.

The previous prime is 484649833. The next prime is 484649843. The reversal of 484649839 is 938946484.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 484649839 - 2³ = 484649831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 484649839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (484649831) 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, 1353592 + ... + 1353949.

It is an arithmetic number, because the mean of its divisors is an integer number (121839390).

Almost surely, 2^484649839 is an apocalyptic number.

484649839 is a deficient number, since it is larger than the sum of its proper divisors (2707721).

484649839 is a wasteful number, since it uses less digits than its factorization.

484649839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707720.

The product of its digits is 5971968, while the sum is 55.

The square root of 484649839 is about 22014.7641141121. The cubic root of 484649839 is about 785.4936724610.

The spelling of 484649839 in words is "four hundred eighty-four million, six hundred forty-nine thousand, eight hundred thirty-nine".