1088240 has 40 divisors (see below), whose sum is σ = 2583168. Its totient is φ = 426240.

The previous prime is 1088239. The next prime is 1088251. The reversal of 1088240 is 428801.

1088240 = T₁₀₀ + T₁₀₁ + ... + T₁₉₅.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 4769 + ... + 4991.

2^1088240 is an apocalyptic number.

1088240 is a gapful number since it is divisible by the number (10) 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 1088240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291584).

1088240 is an abundant number, since it is smaller than the sum of its proper divisors (1494928).

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

1088240 is a wasteful number, since it uses less digits than its factorization.

1088240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1088240 is about 1043.1874232371. The cubic root of 1088240 is about 102.8588256632.

The spelling of 1088240 in words is "one million, eighty-eight thousand, two hundred forty".