1440246 has 8 divisors (see below), whose sum is σ = 2880504. Its totient is φ = 480080.

The previous prime is 1440239. The next prime is 1440247. The reversal of 1440246 is 6420441.

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

1440246 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120015 + ... + 120026.

It is an arithmetic number, because the mean of its divisors is an integer number (360063).

2^1440246 is an apocalyptic number.

1440246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1440246 is a wasteful number, since it uses less digits than its factorization.

1440246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240046.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1440246 is about 1200.1024956228. The cubic root of 1440246 is about 112.9307535124.

Adding to 1440246 its reverse (6420441), we get a palindrome (7860687).

The spelling of 1440246 in words is "one million, four hundred forty thousand, two hundred forty-six".