849170461 has 4 divisors (see below), whose sum is σ = 872121052. Its totient is φ = 826219872.

The previous prime is 849170381. The next prime is 849170467. The reversal of 849170461 is 164071948.

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

It can be written as a sum of positive squares in 2 ways, for example, as 519566436 + 329604025 = 22794^2 + 18155^2 .

It is a cyclic number.

It is not a de Polignac number, because 849170461 - 2²¹ = 847073309 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 (849170467) 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, 11475240 + ... + 11475313.

It is an arithmetic number, because the mean of its divisors is an integer number (218030263).

Almost surely, 2^849170461 is an apocalyptic number.

It is an amenable number.

849170461 is a deficient number, since it is larger than the sum of its proper divisors (22950591).

849170461 is a wasteful number, since it uses less digits than its factorization.

849170461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22950590.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 849170461 is about 29140.5295250447. The cubic root of 849170461 is about 946.9599816127.

The spelling of 849170461 in words is "eight hundred forty-nine million, one hundred seventy thousand, four hundred sixty-one".