1442439 has 12 divisors (see below), whose sum is σ = 2094456. Its totient is φ = 956592.

The previous prime is 1442437. The next prime is 1442453. The reversal of 1442439 is 9342441.

It is not a de Polignac number, because 1442439 - 2¹ = 1442437 is a prime.

1442439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2364 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (174538).

2^1442439 is an apocalyptic number.

1442439 is a deficient number, since it is larger than the sum of its proper divisors (652017).

1442439 is a wasteful number, since it uses less digits than its factorization.

1442439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 843 counting only the distinct ones).

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

The square root of 1442439 is about 1201.0158200457. The cubic root of 1442439 is about 112.9880426954.

It can be divided in two parts, 1442 and 439, that added together give a palindrome (1881).

The spelling of 1442439 in words is "one million, four hundred forty-two thousand, four hundred thirty-nine".