1830842 has 16 divisors (see below), whose sum is σ = 3004512. Its totient is φ = 831600.

The previous prime is 1830839. The next prime is 1830863. The reversal of 1830842 is 2480381.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (187782).

2^1830842 is an apocalyptic number.

1830842 is a deficient number, since it is larger than the sum of its proper divisors (1173670).

1830842 is a wasteful number, since it uses less digits than its factorization.

1830842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1830842 is about 1353.0861022123. The cubic root of 1830842 is about 122.3348767873.

The spelling of 1830842 in words is "one million, eight hundred thirty thousand, eight hundred forty-two".