1988360 has 32 divisors (see below), whose sum is σ = 4881600. Its totient is φ = 722880.

The previous prime is 1988353. The next prime is 1988411. The reversal of 1988360 is 638891.

1988360 = T₃₉₅ + T₃₉₆ + ... + T₄₁₈.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1988360.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (152550).

2^1988360 is an apocalyptic number.

1988360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1988360 is an abundant number, since it is smaller than the sum of its proper divisors (2893240).

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

1988360 is a wasteful number, since it uses less digits than its factorization.

1988360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1988360 is about 1410.0921955674. The cubic root of 1988360 is about 125.7472045828.

It can be divided in two parts, 198 and 8360, that added together give a palindrome (8558).

The spelling of 1988360 in words is "one million, nine hundred eighty-eight thousand, three hundred sixty".