1229844 has 60 divisors (see below), whose sum is σ = 3607520. Its totient is φ = 319440.

The previous prime is 1229827. The next prime is 1229869. The reversal of 1229844 is 4489221.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 111799 + ... + 111809.

2^1229844 is an apocalyptic number.

1229844 is a gapful number since it is divisible by the number (14) 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 1229844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803760).

1229844 is an abundant number, since it is smaller than the sum of its proper divisors (2377676).

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

1229844 is an equidigital number, since it uses as much as digits as its factorization.

1229844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 23 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1229844 is about 1108.9833181793. The cubic root of 1229844 is about 107.1395971072.

The spelling of 1229844 in words is "one million, two hundred twenty-nine thousand, eight hundred forty-four".