1988232 has 32 divisors (see below), whose sum is σ = 5107200. Its totient is φ = 644544.

The previous prime is 1988227. The next prime is 1988237. The reversal of 1988232 is 2328891.

It is an interprime number because it is at equal distance from previous prime (1988227) and next prime (1988237).

It is a junction number, because it is equal to n+sod(n) for n = 1988193 and 1988202.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^1988232 is an apocalyptic number.

1988232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1988232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2553600).

1988232 is an abundant number, since it is smaller than the sum of its proper divisors (3118968).

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

1988232 is a wasteful number, since it uses less digits than its factorization.

1988232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2281 counting only the distinct ones).

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

The square root of 1988232 is about 1410.0468077337. The cubic root of 1988232 is about 125.7445062136.

Multiplying 1988232 by its sum of digits (33), we get a palindrome (65611656).

The spelling of 1988232 in words is "one million, nine hundred eighty-eight thousand, two hundred thirty-two".