1449644 has 24 divisors (see below), whose sum is σ = 3026688. Its totient is φ = 594000.

The previous prime is 1449619. The next prime is 1449647. The reversal of 1449644 is 4469441.

It is a self number, because there is not a number n which added to its sum of digits gives 1449644.

It is not an unprimeable number, because it can be changed into a prime (1449647) 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 7 ways as a sum of consecutive naturals, for example, 482 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (126112).

2^1449644 is an apocalyptic number.

1449644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1449644 is an abundant number, since it is smaller than the sum of its proper divisors (1577044).

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

1449644 is a wasteful number, since it uses less digits than its factorization.

1449644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 1449644 is about 1204.0116278508. The cubic root of 1449644 is about 113.1758558720.

It can be divided in two parts, 1449 and 644, that multiplied together give a square (933156 = 966²).

The spelling of 1449644 in words is "one million, four hundred forty-nine thousand, six hundred forty-four".