849886417 has 8 divisors (see below), whose sum is σ = 879239592. Its totient is φ = 820944000.

The previous prime is 849886393. The next prime is 849886463. The reversal of 849886417 is 714688948.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92756161 + 757130256 = 9631^2 + 27516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 849886417 - 2¹¹ = 849884369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849586417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98478 + ... + 106759.

It is an arithmetic number, because the mean of its divisors is an integer number (109904949).

Almost surely, 2^849886417 is an apocalyptic number.

It is an amenable number.

849886417 is a deficient number, since it is larger than the sum of its proper divisors (29353175).

849886417 is a wasteful number, since it uses less digits than its factorization.

849886417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205379.

The product of its digits is 3096576, while the sum is 55.

The square root of 849886417 is about 29152.8114767684. The cubic root of 849886417 is about 947.2260417502.

The spelling of 849886417 in words is "eight hundred forty-nine million, eight hundred eighty-six thousand, four hundred seventeen".