1988324 has 12 divisors (see below), whose sum is σ = 3747324. Its totient is φ = 917664.

The previous prime is 1988323. The next prime is 1988339. The reversal of 1988324 is 4238891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 624100 + 1364224 = 790^2 + 1168^2 .

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 3 ways as a sum of consecutive naturals, for example, 19067 + ... + 19170.

It is an arithmetic number, because the mean of its divisors is an integer number (312277).

2^1988324 is an apocalyptic number.

It is an amenable number.

1988324 is a deficient number, since it is larger than the sum of its proper divisors (1759000).

1988324 is a wasteful number, since it uses less digits than its factorization.

1988324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38254 (or 38252 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1988324 is about 1410.0794303868. The cubic root of 1988324 is about 125.7464456781.

The spelling of 1988324 in words is "one million, nine hundred eighty-eight thousand, three hundred twenty-four".