1868000 has 48 divisors (see below), whose sum is σ = 4599504. Its totient is φ = 745600.

The previous prime is 1867993. The next prime is 1868017. The reversal of 1868000 is 8681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (95823).

2^1868000 is an apocalyptic number.

1868000 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 1868000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299752).

1868000 is an abundant number, since it is smaller than the sum of its proper divisors (2731504).

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

1868000 is an equidigital number, since it uses as much as digits as its factorization.

1868000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1868000 is about 1366.7479650616. The cubic root of 1868000 is about 123.1569591597.

The spelling of 1868000 in words is "one million, eight hundred sixty-eight thousand".