484949821 has 4 divisors (see below), whose sum is σ = 486882144. Its totient is φ = 483017500.

The previous prime is 484949813. The next prime is 484949831. The reversal of 484949821 is 128949484.

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 484949821 - 2³ = 484949813 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 (484949831) 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, 965785 + ... + 966286.

It is an arithmetic number, because the mean of its divisors is an integer number (121720536).

Almost surely, 2^484949821 is an apocalyptic number.

It is an amenable number.

484949821 is a deficient number, since it is larger than the sum of its proper divisors (1932323).

484949821 is a wasteful number, since it uses less digits than its factorization.

484949821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932322.

The product of its digits is 663552, while the sum is 49.

The square root of 484949821 is about 22021.5762605677. The cubic root of 484949821 is about 785.6557037834.

The spelling of 484949821 in words is "four hundred eighty-four million, nine hundred forty-nine thousand, eight hundred twenty-one".