1440798 has 16 divisors (see below), whose sum is σ = 2893440. Its totient is φ = 478296.

The previous prime is 1440779. The next prime is 1440799. The reversal of 1440798 is 8970441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (180840).

2^1440798 is an apocalyptic number.

1440798 is an abundant number, since it is smaller than the sum of its proper divisors (1452642).

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

1440798 is a wasteful number, since it uses less digits than its factorization.

1440798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1440798 is about 1200.3324539477. The cubic root of 1440798 is about 112.9451792456.

The spelling of 1440798 in words is "one million, four hundred forty thousand, seven hundred ninety-eight".