1484821 has 4 divisors (see below), whose sum is σ = 1599052. Its totient is φ = 1370592.

The previous prime is 1484803. The next prime is 1484827. The reversal of 1484821 is 1284841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 1347921 = 370^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1484821 - 2¹¹ = 1482773 is a prime.

1484821 is a lucky number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 1484821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1484827) 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, 57096 + ... + 57121.

It is an arithmetic number, because the mean of its divisors is an integer number (399763).

2^1484821 is an apocalyptic number.

It is an amenable number.

1484821 is a deficient number, since it is larger than the sum of its proper divisors (114231).

1484821 is a wasteful number, since it uses less digits than its factorization.

1484821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114230.

The product of its digits is 2048, while the sum is 28.

The square root of 1484821 is about 1218.5323138924. The cubic root of 1484821 is about 114.0839896084.

The spelling of 1484821 in words is "one million, four hundred eighty-four thousand, eight hundred twenty-one".