1440366 has 16 divisors (see below), whose sum is σ = 2924544. Its totient is φ = 472824.

The previous prime is 1440349. The next prime is 1440379. The reversal of 1440366 is 6630441.

It is a Curzon number.

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, 1390 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (182784).

2^1440366 is an apocalyptic number.

1440366 is an abundant number, since it is smaller than the sum of its proper divisors (1484178).

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

1440366 is a wasteful number, since it uses less digits than its factorization.

1440366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1440366 is about 1200.1524903111. The cubic root of 1440366 is about 112.9338898549.

The spelling of 1440366 in words is "one million, four hundred forty thousand, three hundred sixty-six".