1444885 has 8 divisors (see below), whose sum is σ = 1867320. Its totient is φ = 1066944.

The previous prime is 1444873. The next prime is 1444897. The reversal of 1444885 is 5884441.

It is an interprime number because it is at equal distance from previous prime (1444873) and next prime (1444897).

It can be written as a sum of positive squares in 4 ways, for example, as 81 + 1444804 = 9^2 + 1202^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444885 - 2¹³ = 1436693 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11050 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (233415).

2^1444885 is an apocalyptic number.

It is an amenable number.

1444885 is a deficient number, since it is larger than the sum of its proper divisors (422435).

1444885 is a wasteful number, since it uses less digits than its factorization.

1444885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22247.

The product of its digits is 20480, while the sum is 34.

The square root of 1444885 is about 1202.0336933714. The cubic root of 1444885 is about 113.0518727044.

The spelling of 1444885 in words is "one million, four hundred forty-four thousand, eight hundred eighty-five".