1988234 has 16 divisors (see below), whose sum is σ = 3109920. Its totient is φ = 952560.

The previous prime is 1988227. The next prime is 1988237. The reversal of 1988234 is 4328891.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1988194 and 1988203.

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 7 ways as a sum of consecutive naturals, for example, 5057 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (194370).

2^1988234 is an apocalyptic number.

1988234 is a deficient number, since it is larger than the sum of its proper divisors (1121686).

1988234 is a wasteful number, since it uses less digits than its factorization.

1988234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

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

The square root of 1988234 is about 1410.0475169298. The cubic root of 1988234 is about 125.7445483766.

It can be divided in two parts, 1988 and 234, that added together give a palindrome (2222).

The spelling of 1988234 in words is "one million, nine hundred eighty-eight thousand, two hundred thirty-four".