849981084 has 24 divisors (see below), whose sum is σ = 1984713360. Its totient is φ = 283123584.

The previous prime is 849981073. The next prime is 849981091. The reversal of 849981084 is 480189948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7519 + ... + 41910.

It is an arithmetic number, because the mean of its divisors is an integer number (82696390).

Almost surely, 2^849981084 is an apocalyptic number.

It is an amenable number.

849981084 is an abundant number, since it is smaller than the sum of its proper divisors (1134732276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849981084 is a wasteful number, since it uses less digits than its factorization.

849981084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50869 (or 50867 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 849981084 is about 29154.4350656980. The cubic root of 849981084 is about 947.2612102609.

The spelling of 849981084 in words is "eight hundred forty-nine million, nine hundred eighty-one thousand, eighty-four".