801140 has 24 divisors (see below), whose sum is σ = 1725192. Its totient is φ = 312320.

The previous prime is 801137. The next prime is 801179. The reversal of 801140 is 41108.

It is a happy number.

801140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 729316 = 268^2 + 854^2 .

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, 332 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (71883).

2⁸⁰¹¹⁴⁰ 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 801140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862596).

801140 is an abundant number, since it is smaller than the sum of its proper divisors (924052).

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

801140 is a wasteful number, since it uses less digits than its factorization.

801140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 801140 is about 895.0642435043. The cubic root of 801140 is about 92.8758508376.

Subtracting from 801140 its product of nonzero digits (32), we obtain a palindrome (801108).

Adding to 801140 its reverse (41108), we get a palindrome (842248).

The spelling of 801140 in words is "eight hundred one thousand, one hundred forty".