1440563 has 8 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 1340800.

The previous prime is 1440557. The next prime is 1440577. The reversal of 1440563 is 3650441.

It is a happy number.

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 1440563 - 2⁶ = 1440499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^1440563 is an apocalyptic number.

1440563 is a deficient number, since it is larger than the sum of its proper divisors (101677).

1440563 is a wasteful number, since it uses less digits than its factorization.

1440563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1440563 is about 1200.2345604089. The cubic root of 1440563 is about 112.9390383061.

The spelling of 1440563 in words is "one million, four hundred forty thousand, five hundred sixty-three".