859485944 has 16 divisors (see below), whose sum is σ = 1615601400. Its totient is φ = 428658912.

The previous prime is 859485941. The next prime is 859485961. The reversal of 859485944 is 449584958.

It is a super-2 number, since 2×859485944² = 1477432175867142272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 859485944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859485941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132134 + ... + 138485.

Almost surely, 2^859485944 is an apocalyptic number.

It is an amenable number.

859485944 is a deficient number, since it is larger than the sum of its proper divisors (756115456).

859485944 is a wasteful number, since it uses less digits than its factorization.

859485944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271022 (or 271018 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The square root of 859485944 is about 29316.9907050502. The cubic root of 859485944 is about 950.7790263761.

The spelling of 859485944 in words is "eight hundred fifty-nine million, four hundred eighty-five thousand, nine hundred forty-four".