800140 has 24 divisors (see below), whose sum is σ = 1833552. Its totient is φ = 290880.

The previous prime is 800131. The next prime is 800143. The reversal of 800140 is 41008.

It is a self number, because there is not a number n which added to its sum of digits gives 800140.

It is not an unprimeable number, because it can be changed into a prime (800143) 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, 1599 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (76398).

2⁸⁰⁰¹⁴⁰ is an apocalyptic number.

It is an amenable number.

800140 is an abundant number, since it is smaller than the sum of its proper divisors (1033412).

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

800140 is a wasteful number, since it uses less digits than its factorization.

800140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 800140 is about 894.5054499554. The cubic root of 800140 is about 92.8371915434.

Adding to 800140 its reverse (41008), we get a palindrome (841148).

The spelling of 800140 in words is "eight hundred thousand, one hundred forty".