1283364 has 60 divisors (see below), whose sum is σ = 3567564. Its totient is φ = 400896.

The previous prime is 1283353. The next prime is 1283383. The reversal of 1283364 is 4633821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 656100 = 792^2 + 810^2 .

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

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5392 + ... + 5624.

2^1283364 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 1283364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783782).

1283364 is an abundant number, since it is smaller than the sum of its proper divisors (2284200).

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

1283364 is a wasteful number, since it uses less digits than its factorization.

1283364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 255 counting only the distinct ones).

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

The square root of 1283364 is about 1132.8565663843. The cubic root of 1283364 is about 108.6717391755.

The spelling of 1283364 in words is "one million, two hundred eighty-three thousand, three hundred sixty-four".