1804342 has 12 divisors (see below), whose sum is σ = 2785860. Its totient is φ = 876456.

The previous prime is 1804321. The next prime is 1804349. The reversal of 1804342 is 2434081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2409 + ... + 3067.

It is an arithmetic number, because the mean of its divisors is an integer number (232155).

2^1804342 is an apocalyptic number.

1804342 is a deficient number, since it is larger than the sum of its proper divisors (981518).

1804342 is an equidigital number, since it uses as much as digits as its factorization.

1804342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1804342 is about 1343.2579796897. The cubic root of 1804342 is about 121.7417721883.

The spelling of 1804342 in words is "one million, eight hundred four thousand, three hundred forty-two".