1839442 has 16 divisors (see below), whose sum is σ = 3039264. Its totient is φ = 834900.

The previous prime is 1839433. The next prime is 1839449. The reversal of 1839442 is 2449381.

It is not an unprimeable number, because it can be changed into a prime (1839449) 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, 2317 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (189954).

2^1839442 is an apocalyptic number.

1839442 is a deficient number, since it is larger than the sum of its proper divisors (1199822).

1839442 is an equidigital number, since it uses as much as digits as its factorization.

1839442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 704 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1839442 is about 1356.2602995001. The cubic root of 1839442 is about 122.5261252068.

The spelling of 1839442 in words is "one million, eight hundred thirty-nine thousand, four hundred forty-two".