849113492 has 6 divisors (see below), whose sum is σ = 1485948618. Its totient is φ = 424556744.

The previous prime is 849113453. The next prime is 849113509. The reversal of 849113492 is 294311948.

It can be written as a sum of positive squares in only one way, i.e., 529276036 + 319837456 = 23006^2 + 17884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106139183 + ... + 106139190.

It is an arithmetic number, because the mean of its divisors is an integer number (247658103).

Almost surely, 2^849113492 is an apocalyptic number.

It is an amenable number.

849113492 is a deficient number, since it is larger than the sum of its proper divisors (636835126).

849113492 is a wasteful number, since it uses less digits than its factorization.

849113492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212278377 (or 212278375 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 849113492 is about 29139.5520212648. The cubic root of 849113492 is about 946.9388046437.

The spelling of 849113492 in words is "eight hundred forty-nine million, one hundred thirteen thousand, four hundred ninety-two".