1284336 has 50 divisors (see below), whose sum is σ = 3720992. Its totient is φ = 427680.

The previous prime is 1284329. The next prime is 1284341. The reversal of 1284336 is 6334821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 801 + ... + 1791.

2^1284336 is an apocalyptic number.

1284336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1284336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860496).

1284336 is an abundant number, since it is smaller than the sum of its proper divisors (2436656).

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

1284336 is an equidigital number, since it uses as much as digits as its factorization.

1284336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 996 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1284336 is about 1133.2854891862. The cubic root of 1284336 is about 108.6991676822.

It can be divided in two parts, 12 and 84336, that added together give a palindrome (84348).

The spelling of 1284336 in words is "one million, two hundred eighty-four thousand, three hundred thirty-six".