854634889 has 8 divisors (see below), whose sum is σ = 858622688. Its totient is φ = 850655520.

The previous prime is 854634841. The next prime is 854634899. The reversal of 854634889 is 988436458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 854634889 - 2⁹ = 854634377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854634899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286174 + ... + 289144.

It is an arithmetic number, because the mean of its divisors is an integer number (107327836).

Almost surely, 2^854634889 is an apocalyptic number.

It is an amenable number.

854634889 is a deficient number, since it is larger than the sum of its proper divisors (3987799).

854634889 is a wasteful number, since it uses less digits than its factorization.

854634889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its digits is 6635520, while the sum is 55.

The square root of 854634889 is about 29234.1391013999. The cubic root of 854634889 is about 948.9868752494.

The spelling of 854634889 in words is "eight hundred fifty-four million, six hundred thirty-four thousand, eight hundred eighty-nine".