854040 has 64 divisors (see below), whose sum is σ = 2799360. Its totient is φ = 206720.

The previous prime is 854039. The next prime is 854041. The reversal of 854040 is 40458.

It is an interprime number because it is at equal distance from previous prime (854039) and next prime (854041).

It is a junction number, because it is equal to n+sod(n) for n = 853998 and 854016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁸⁵⁴⁰⁴⁰ 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 854040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399680).

854040 is an abundant number, since it is smaller than the sum of its proper divisors (1945320).

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

854040 is a wasteful number, since it uses less digits than its factorization.

854040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 854040 is about 924.1428461012. The cubic root of 854040 is about 94.8766635824.

Adding to 854040 its reverse (40458), we get a palindrome (894498).

The spelling of 854040 in words is "eight hundred fifty-four thousand, forty".