854589869 has 16 divisors (see below), whose sum is σ = 1000581120. Its totient is φ = 714616560.

The previous prime is 854589859. The next prime is 854589889. The reversal of 854589869 is 968985458.

It is not a de Polignac number, because 854589869 - 2⁸ = 854589613 is a prime.

It is a super-2 number, since 2×854589869² = 1460647688394874322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854589859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453872 + ... + 455750.

It is an arithmetic number, because the mean of its divisors is an integer number (62536320).

Almost surely, 2^854589869 is an apocalyptic number.

It is an amenable number.

854589869 is a deficient number, since it is larger than the sum of its proper divisors (145991251).

854589869 is a wasteful number, since it uses less digits than its factorization.

854589869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440.

The product of its digits is 24883200, while the sum is 62.

The square root of 854589869 is about 29233.3691010804. The cubic root of 854589869 is about 948.9702115490.

The spelling of 854589869 in words is "eight hundred fifty-four million, five hundred eighty-nine thousand, eight hundred sixty-nine".