1043442 has 48 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 326592.

The previous prime is 1043401. The next prime is 1043453. The reversal of 1043442 is 2443401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9178 + ... + 9290.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2^1043442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244880).

1043442 is an abundant number, since it is smaller than the sum of its proper divisors (1446318).

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

1043442 is a wasteful number, since it uses less digits than its factorization.

1043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1043442 is about 1021.4900880576. The cubic root of 1043442 is about 101.4275895655.

Adding to 1043442 its reverse (2443401), we get a palindrome (3486843).

It can be divided in two parts, 1043 and 442, that added together give a triangular number (1485 = T₅₄).

The spelling of 1043442 in words is "one million, forty-three thousand, four hundred forty-two".