1842988 has 18 divisors (see below), whose sum is σ = 3752196. Its totient is φ = 789768.

The previous prime is 1842977. The next prime is 1842989. The reversal of 1842988 is 8892481.

It is a self number, because there is not a number n which added to its sum of digits gives 1842988.

It is not an unprimeable number, because it can be changed into a prime (1842989) 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 5 ways as a sum of consecutive naturals, for example, 4506 + ... + 4897.

2^1842988 is an apocalyptic number.

It is an amenable number.

1842988 is an abundant number, since it is smaller than the sum of its proper divisors (1909208).

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

1842988 is a wasteful number, since it uses less digits than its factorization.

1842988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421 (or 9412 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The square root of 1842988 is about 1357.5669412593. The cubic root of 1842988 is about 122.6048082620.

The spelling of 1842988 in words is "one million, eight hundred forty-two thousand, nine hundred eighty-eight".