1868322 has 16 divisors (see below), whose sum is σ = 3766752. Its totient is φ = 617760.

The previous prime is 1868309. The next prime is 1868333. The reversal of 1868322 is 2238681.

It is a self number, because there is not a number n which added to its sum of digits gives 1868322.

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, 403 + ... + 1974.

It is an arithmetic number, because the mean of its divisors is an integer number (235422).

2^1868322 is an apocalyptic number.

1868322 is an abundant number, since it is smaller than the sum of its proper divisors (1898430).

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

1868322 is a wasteful number, since it uses less digits than its factorization.

1868322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513.

The product of its digits is 4608, while the sum is 30.

The square root of 1868322 is about 1366.8657578563. The cubic root of 1868322 is about 123.1640352237.

The spelling of 1868322 in words is "one million, eight hundred sixty-eight thousand, three hundred twenty-two".