857460913 has 4 divisors (see below), whose sum is σ = 858012480. Its totient is φ = 856909348.

The previous prime is 857460911. The next prime is 857460931. The reversal of 857460913 is 319064758.

857460913 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, 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 857460913 - 2¹ = 857460911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 857460913.

It is not an unprimeable number, because it can be changed into a prime (857460911) 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, 273445 + ... + 276562.

It is an arithmetic number, because the mean of its divisors is an integer number (214503120).

Almost surely, 2^857460913 is an apocalyptic number.

It is an amenable number.

857460913 is a deficient number, since it is larger than the sum of its proper divisors (551567).

857460913 is a wasteful number, since it uses less digits than its factorization.

857460913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551566.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 857460913 is about 29282.4335225063. The cubic root of 857460913 is about 950.0317304268.

The spelling of 857460913 in words is "eight hundred fifty-seven million, four hundred sixty thousand, nine hundred thirteen".