1439968 has 24 divisors (see below), whose sum is σ = 3002832. Its totient is φ = 677376.

The previous prime is 1439947. The next prime is 1439969. The reversal of 1439968 is 8699341.

It is a self number, because there is not a number n which added to its sum of digits gives 1439968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (125118).

2^1439968 is an apocalyptic number.

It is an amenable number.

1439968 is an abundant number, since it is smaller than the sum of its proper divisors (1562864).

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

1439968 is a wasteful number, since it uses less digits than its factorization.

1439968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2666 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 1439968 is about 1199.9866665926. The cubic root of 1439968 is about 112.9234869831.

The spelling of 1439968 in words is "one million, four hundred thirty-nine thousand, nine hundred sixty-eight".