1144436 has 12 divisors (see below), whose sum is σ = 2013312. Its totient is φ = 569208.

The previous prime is 1144417. The next prime is 1144439. The reversal of 1144436 is 6344411.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (167776).

2^1144436 is an apocalyptic number.

It is an amenable number.

1144436 is a deficient number, since it is larger than the sum of its proper divisors (868876).

1144436 is a wasteful number, since it uses less digits than its factorization.

1144436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1144436 is about 1069.7831555974. The cubic root of 1144436 is about 104.5997155687.

Adding to 1144436 its reverse (6344411), we get a palindrome (7488847).

The spelling of 1144436 in words is "one million, one hundred forty-four thousand, four hundred thirty-six".