854889632 has 12 divisors (see below), whose sum is σ = 1683064026. Its totient is φ = 427444800.

The previous prime is 854889631. The next prime is 854889677. The reversal of 854889632 is 236988458.

It can be written as a sum of positive squares in only one way, i.e., 815902096 + 38987536 = 28564^2 + 6244^2 .

It is not an unprimeable number, because it can be changed into a prime (854889631) 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 as a sum of consecutive naturals, namely, 13357619 + ... + 13357682.

Almost surely, 2^854889632 is an apocalyptic number.

It is an amenable number.

854889632 is a deficient number, since it is larger than the sum of its proper divisors (828174394).

854889632 is a wasteful number, since it uses less digits than its factorization.

854889632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26715311 (or 26715303 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 854889632 is about 29238.4957205394. The cubic root of 854889632 is about 949.0811547877.

The spelling of 854889632 in words is "eight hundred fifty-four million, eight hundred eighty-nine thousand, six hundred thirty-two".