1440949 has 2 divisors, whose sum is σ = 1440950. Its totient is φ = 1440948.

The previous prime is 1440913. The next prime is 1440953. The reversal of 1440949 is 9490441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 208849 = 1110^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440949 - 2⁹ = 1440437 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1440949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720474 + 720475.

It is an arithmetic number, because the mean of its divisors is an integer number (720475).

2^1440949 is an apocalyptic number.

It is an amenable number.

1440949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440949 is an equidigital number, since it uses as much as digits as its factorization.

1440949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1440949 is about 1200.3953515405. The cubic root of 1440949 is about 112.9491247736.

The spelling of 1440949 in words is "one million, four hundred forty thousand, nine hundred forty-nine".