1442392 has 32 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 602784.

The previous prime is 1442377. The next prime is 1442393. The reversal of 1442392 is 2932441.

1442392 is nontrivially palindromic in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2^1442392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584000).

1442392 is an abundant number, since it is smaller than the sum of its proper divisors (1725608).

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

1442392 is a wasteful number, since it uses less digits than its factorization.

1442392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1442392 is about 1200.9962531166. The cubic root of 1442392 is about 112.9868154926.

The spelling of 1442392 in words is "one million, four hundred forty-two thousand, three hundred ninety-two".