800540 has 24 divisors (see below), whose sum is σ = 1811040. Its totient is φ = 295488.

The previous prime is 800539. The next prime is 800549. The reversal of 800540 is 45008.

800540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800549) 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, 1280 + ... + 1799.

It is an arithmetic number, because the mean of its divisors is an integer number (75460).

2⁸⁰⁰⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

800540 is an abundant number, since it is smaller than the sum of its proper divisors (1010500).

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

800540 is a wasteful number, since it uses less digits than its factorization.

800540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 800540 is about 894.7290092536. The cubic root of 800540 is about 92.8526591242.

Adding to 800540 its reverse (45008), we get a palindrome (845548).

The spelling of 800540 in words is "eight hundred thousand, five hundred forty".