1439442 has 24 divisors (see below), whose sum is σ = 3141840. Its totient is φ = 476280.

The previous prime is 1439437. The next prime is 1439443. The reversal of 1439442 is 2449341.

It is not an unprimeable number, because it can be changed into a prime (1439443) 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 11 ways as a sum of consecutive naturals, for example, 3609 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (130910).

2^1439442 is an apocalyptic number.

1439442 is an abundant number, since it is smaller than the sum of its proper divisors (1702398).

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

1439442 is a wasteful number, since it uses less digits than its factorization.

1439442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 595 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1439442 is about 1199.7674774722. The cubic root of 1439442 is about 112.9097355228.

It can be divided in two parts, 1439 and 442, that added together give a palindrome (1881).

The spelling of 1439442 in words is "one million, four hundred thirty-nine thousand, four hundred forty-two".