1040442 has 16 divisors (see below), whose sum is σ = 2241120. Its totient is φ = 320112.

The previous prime is 1040419. The next prime is 1040447. The reversal of 1040442 is 2440401.

It is not an unprimeable number, because it can be changed into a prime (1040447) 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 7 ways as a sum of consecutive naturals, for example, 6592 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (140070).

2^1040442 is an apocalyptic number.

1040442 is an abundant number, since it is smaller than the sum of its proper divisors (1200678).

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

1040442 is a wasteful number, since it uses less digits than its factorization.

1040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1040442 is about 1020.0205880275. The cubic root of 1040442 is about 101.3302914407.

Adding to 1040442 its reverse (2440401), we get a palindrome (3480843).

The spelling of 1040442 in words is "one million, forty thousand, four hundred forty-two".