1988230 has 8 divisors (see below), whose sum is σ = 3578832. Its totient is φ = 795288.

The previous prime is 1988227. The next prime is 1988237. The reversal of 1988230 is 328891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1988192 and 1988201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99402 + ... + 99421.

It is an arithmetic number, because the mean of its divisors is an integer number (447354).

2^1988230 is an apocalyptic number.

1988230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1988230 is a deficient number, since it is larger than the sum of its proper divisors (1590602).

1988230 is a wasteful number, since it uses less digits than its factorization.

1988230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198830.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1988230 is about 1410.0460985372. The cubic root of 1988230 is about 125.7444640507.

The spelling of 1988230 in words is "one million, nine hundred eighty-eight thousand, two hundred thirty".