1988322 has 24 divisors (see below), whose sum is σ = 4626576. Its totient is φ = 568008.

The previous prime is 1988299. The next prime is 1988323. The reversal of 1988322 is 2238891.

It is not an unprimeable number, because it can be changed into a prime (1988323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3088 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (192774).

2^1988322 is an apocalyptic number.

1988322 is an abundant number, since it is smaller than the sum of its proper divisors (2638254).

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

1988322 is a wasteful number, since it uses less digits than its factorization.

1988322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782 (or 6775 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1988322 is about 1410.0787212067. The cubic root of 1988322 is about 125.7464035165.

The spelling of 1988322 in words is "one million, nine hundred eighty-eight thousand, three hundred twenty-two".