1484450821 has 8 divisors (see below), whose sum is σ = 1697241600. Its totient is φ = 1271841648.

The previous prime is 1484450819. The next prime is 1484450873. The reversal of 1484450821 is 1280544841.

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

It is not a de Polignac number, because 1484450821 - 2¹ = 1484450819 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 (1484450801) 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, 27406 + ... + 60991.

It is an arithmetic number, because the mean of its divisors is an integer number (212155200).

Almost surely, 2^1484450821 is an apocalyptic number.

It is an amenable number.

1484450821 is a deficient number, since it is larger than the sum of its proper divisors (212790779).

1484450821 is an equidigital number, since it uses as much as digits as its factorization.

1484450821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90803.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 1484450821 is about 38528.5714892208. The cubic root of 1484450821 is about 1140.7450810475.

The spelling of 1484450821 in words is "one billion, four hundred eighty-four million, four hundred fifty thousand, eight hundred twenty-one".