802240 has 56 divisors (see below), whose sum is σ = 2011680. Its totient is φ = 304128.

The previous prime is 802231. The next prime is 802253. The reversal of 802240 is 42208.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

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, 7306 + ... + 7414.

2⁸⁰²²⁴⁰ is an apocalyptic number.

802240 is a gapful number since it is divisible by the number (80) 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 802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005840).

802240 is an abundant number, since it is smaller than the sum of its proper divisors (1209440).

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

802240 is a wasteful number, since it uses less digits than its factorization.

802240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 802240 is about 895.6785137537. The cubic root of 802240 is about 92.9183389226.

Adding to 802240 its reverse (42208), we get a palindrome (844448).

The spelling of 802240 in words is "eight hundred two thousand, two hundred forty".