1284324 has 48 divisors (see below), whose sum is σ = 3252480. Its totient is φ = 393120.

The previous prime is 1284317. The next prime is 1284329. The reversal of 1284324 is 4234821.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1284294 and 1284303.

It is not an unprimeable number, because it can be changed into a prime (1284329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9739 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (67760).

2^1284324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1284324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626240).

1284324 is an abundant number, since it is smaller than the sum of its proper divisors (1968156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1284324 is a wasteful number, since it uses less digits than its factorization.

1284324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1284324 is about 1133.2801948327. The cubic root of 1284324 is about 108.6988291431.

The spelling of 1284324 in words is "one million, two hundred eighty-four thousand, three hundred twenty-four".