849217604 has 6 divisors (see below), whose sum is σ = 1486130814. Its totient is φ = 424608800.

The previous prime is 849217561. The next prime is 849217613. The reversal of 849217604 is 406712948.

It can be written as a sum of positive squares in only one way, i.e., 707560000 + 141657604 = 26600^2 + 11902^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106152197 + ... + 106152204.

It is an arithmetic number, because the mean of its divisors is an integer number (247688469).

Almost surely, 2^849217604 is an apocalyptic number.

It is an amenable number.

849217604 is a deficient number, since it is larger than the sum of its proper divisors (636913210).

849217604 is a wasteful number, since it uses less digits than its factorization.

849217604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212304405 (or 212304403 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 849217604 is about 29141.3384044041. The cubic root of 849217604 is about 946.9775052668.

The spelling of 849217604 in words is "eight hundred forty-nine million, two hundred seventeen thousand, six hundred four".