1236444 has 96 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 322560.

The previous prime is 1236439. The next prime is 1236449. The reversal of 1236444 is 4446321.

It is an interprime number because it is at equal distance from previous prime (1236439) and next prime (1236449).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42622 + ... + 42650.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2^1236444 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 1236444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400).

1236444 is an abundant number, since it is smaller than the sum of its proper divisors (2392356).

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

1236444 is a wasteful number, since it uses less digits than its factorization.

1236444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 81 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1236444 is about 1111.9550350621. The cubic root of 1236444 is about 107.3309113900.

The spelling of 1236444 in words is "one million, two hundred thirty-six thousand, four hundred forty-four".