854140 has 24 divisors (see below), whose sum is σ = 2050272. Its totient is φ = 292800.

The previous prime is 854129. The next prime is 854141. The reversal of 854140 is 41458.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854141) by changing a digit.

854140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (85428).

2⁸⁵⁴¹⁴⁰ is an apocalyptic number.

It is an amenable number.

854140 is an abundant number, since it is smaller than the sum of its proper divisors (1196132).

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

854140 is a wasteful number, since it uses less digits than its factorization.

854140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117 (or 6115 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 854140 is about 924.1969487074. The cubic root of 854140 is about 94.8803664909.

Adding to 854140 its reverse (41458), we get a palindrome (895598).

It can be divided in two parts, 85 and 4140, that added together give a square (4225 = 65²).

The spelling of 854140 in words is "eight hundred fifty-four thousand, one hundred forty".