1439942 has 16 divisors (see below), whose sum is σ = 2487552. Its totient is φ = 612360.

The previous prime is 1439927. The next prime is 1439947. The reversal of 1439942 is 2499341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1439899 and 1439908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1967 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (155472).

2^1439942 is an apocalyptic number.

1439942 is a deficient number, since it is larger than the sum of its proper divisors (1047610).

1439942 is a wasteful number, since it uses less digits than its factorization.

1439942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its digits is 7776, while the sum is 32.

The square root of 1439942 is about 1199.9758330900. The cubic root of 1439942 is about 112.9228073318.

It can be divided in two parts, 14399 and 42, that added together give a palindrome (14441).

The spelling of 1439942 in words is "one million, four hundred thirty-nine thousand, nine hundred forty-two".