853655044 has 12 divisors (see below), whose sum is σ = 1629705168. Its totient is φ = 388025000.

The previous prime is 853655041. The next prime is 853655059. The reversal of 853655044 is 440556358.

It is a junction number, because it is equal to n+sod(n) for n = 853654988 and 853655006.

It is not an unprimeable number, because it can be changed into a prime (853655041) 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, 9700582 + ... + 9700669.

It is an arithmetic number, because the mean of its divisors is an integer number (135808764).

Almost surely, 2^853655044 is an apocalyptic number.

It is an amenable number.

853655044 is a deficient number, since it is larger than the sum of its proper divisors (776050124).

853655044 is a wasteful number, since it uses less digits than its factorization.

853655044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19401266 (or 19401264 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 853655044 is about 29217.3757206221. The cubic root of 853655044 is about 948.6240631500.

It can be divided in two parts, 85365 and 5044, that added together give a palindrome (90409).

The spelling of 853655044 in words is "eight hundred fifty-three million, six hundred fifty-five thousand, forty-four".