849899597 has 4 divisors (see below), whose sum is σ = 852119040. Its totient is φ = 847680156.

The previous prime is 849899591. The next prime is 849899663. The reversal of 849899597 is 795998948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 849899597 - 2⁸ = 849899341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849899591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109147 + ... + 1109912.

It is an arithmetic number, because the mean of its divisors is an integer number (213029760).

Almost surely, 2^849899597 is an apocalyptic number.

It is an amenable number.

849899597 is a deficient number, since it is larger than the sum of its proper divisors (2219443).

849899597 is a wasteful number, since it uses less digits than its factorization.

849899597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219442.

The product of its digits is 58786560, while the sum is 68.

The square root of 849899597 is about 29153.0375261310. The cubic root of 849899597 is about 947.2309382377.

The spelling of 849899597 in words is "eight hundred forty-nine million, eight hundred ninety-nine thousand, five hundred ninety-seven".