1288488 has 32 divisors (see below), whose sum is σ = 3310560. Its totient is φ = 417600.

The previous prime is 1288487. The next prime is 1288513. The reversal of 1288488 is 8848821.

It is a super-2 number, since 2×1288488² = 3320402652288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1288487) 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, 163 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (103455).

2^1288488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1288488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655280).

1288488 is an abundant number, since it is smaller than the sum of its proper divisors (2022072).

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

1288488 is a wasteful number, since it uses less digits than its factorization.

1288488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1493 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 1288488 is about 1135.1158531181. The cubic root of 1288488 is about 108.8161758677.

The spelling of 1288488 in words is "one million, two hundred eighty-eight thousand, four hundred eighty-eight".