440612 has 12 divisors (see below), whose sum is σ = 784560. Its totient is φ = 216456.

The previous prime is 440581. The next prime is 440641. The reversal of 440612 is 216044.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 440612.

It is an unprimeable number.

440612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 1169.

It is an arithmetic number, because the mean of its divisors is an integer number (65380).

2⁴⁴⁰⁶¹² is an apocalyptic number.

It is an amenable number.

440612 is a deficient number, since it is larger than the sum of its proper divisors (343948).

440612 is a wasteful number, since it uses less digits than its factorization.

440612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 440612 is about 663.7861101289. The cubic root of 440612 is about 76.0942966193.

Adding to 440612 its reverse (216044), we get a palindrome (656656).

The spelling of 440612 in words is "four hundred forty thousand, six hundred twelve".