1440716 has 12 divisors (see below), whose sum is σ = 2669688. Its totient is φ = 677952.

The previous prime is 1440707. The next prime is 1440727. The reversal of 1440716 is 6170441.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1440691 and 1440700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10526 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (222474).

2^1440716 is an apocalyptic number.

It is an amenable number.

1440716 is a deficient number, since it is larger than the sum of its proper divisors (1228972).

1440716 is a wasteful number, since it uses less digits than its factorization.

1440716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21208 (or 21206 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1440716 is about 1200.2982962581. The cubic root of 1440716 is about 112.9430365256.

The spelling of 1440716 in words is "one million, four hundred forty thousand, seven hundred sixteen".