849120407 has 4 divisors (see below), whose sum is σ = 850613280. Its totient is φ = 847627536.

The previous prime is 849120397. The next prime is 849120409. The reversal of 849120407 is 704021948.

849120407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 849120407 - 2⁶ = 849120343 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 (849120409) 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, 745583 + ... + 746720.

It is an arithmetic number, because the mean of its divisors is an integer number (212653320).

Almost surely, 2^849120407 is an apocalyptic number.

849120407 is a deficient number, since it is larger than the sum of its proper divisors (1492873).

849120407 is a wasteful number, since it uses less digits than its factorization.

849120407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492872.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 849120407 is about 29139.6706741857. The cubic root of 849120407 is about 946.9413751929.

The spelling of 849120407 in words is "eight hundred forty-nine million, one hundred twenty thousand, four hundred seven".