854388 has 42 divisors (see below), whose sum is σ = 2249394. Its totient is φ = 283824.

The previous prime is 854387. The next prime is 854407. The reversal of 854388 is 883458.

It can be written as a sum of positive squares in only one way, i.e., 842724 + 11664 = 918^2 + 108^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 854388.

It is not an unprimeable number, because it can be changed into a prime (854383) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2770 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (53557).

2⁸⁵⁴³⁸⁸ 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 854388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124697).

854388 is an abundant number, since it is smaller than the sum of its proper divisors (1395006).

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

854388 is a wasteful number, since it uses less digits than its factorization.

854388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 298 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 854388 is about 924.3311095057. The cubic root of 854388 is about 94.8895484572.

The spelling of 854388 in words is "eight hundred fifty-four thousand, three hundred eighty-eight".