854840385 has 40 divisors (see below), whose sum is σ = 1751297856. Its totient is φ = 390782880.

The previous prime is 854840383. The next prime is 854840411. The reversal of 854840385 is 583048458.

854840385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 854840385 - 2¹ = 854840383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 854840385.

It is not an unprimeable number, because it can be changed into a prime (854840383) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 147931 + ... + 153600.

Almost surely, 2^854840385 is an apocalyptic number.

It is an amenable number.

854840385 is an abundant number, since it is smaller than the sum of its proper divisors (896457471).

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

854840385 is a wasteful number, since it uses less digits than its factorization.

854840385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301555 (or 301546 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 854840385 is about 29237.6535481218. The cubic root of 854840385 is about 949.0629300971.

The spelling of 854840385 in words is "eight hundred fifty-four million, eight hundred forty thousand, three hundred eighty-five".