483647821 has 4 divisors (see below), whose sum is σ = 483734592. Its totient is φ = 483561052.

The previous prime is 483647803. The next prime is 483647837. The reversal of 483647821 is 128746384.

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 483647821 - 2²¹ = 481550669 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 (483647861) 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, 34405 + ... + 46378.

It is an arithmetic number, because the mean of its divisors is an integer number (120933648).

Almost surely, 2^483647821 is an apocalyptic number.

It is an amenable number.

483647821 is a deficient number, since it is larger than the sum of its proper divisors (86771).

483647821 is an equidigital number, since it uses as much as digits as its factorization.

483647821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86770.

The product of its digits is 258048, while the sum is 43.

The square root of 483647821 is about 21991.9944752630. The cubic root of 483647821 is about 784.9519604935.

The spelling of 483647821 in words is "four hundred eighty-three million, six hundred forty-seven thousand, eight hundred twenty-one".