1842000 has 80 divisors (see below), whose sum is σ = 5957952. Its totient is φ = 489600.

The previous prime is 1841969. The next prime is 1842011. The reversal of 1842000 is 2481.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5847 + ... + 6153.

2^1842000 is an apocalyptic number.

1842000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1842000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978976).

1842000 is an abundant number, since it is smaller than the sum of its proper divisors (4115952).

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

1842000 is a wasteful number, since it uses less digits than its factorization.

1842000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1842000 is about 1357.2030061859. The cubic root of 1842000 is about 122.5828954402.

Adding to 1842000 its reverse (2481), we get a palindrome (1844481).

The spelling of 1842000 in words is "one million, eight hundred forty-two thousand".