849458247 has 32 divisors (see below), whose sum is σ = 1273618944. Its totient is φ = 499075200.

The previous prime is 849458231. The next prime is 849458257. The reversal of 849458247 is 742854948.

It is not a de Polignac number, because 849458247 - 2⁴ = 849458231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 849458247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849458257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378613 + ... + 380849.

It is an arithmetic number, because the mean of its divisors is an integer number (39800592).

Almost surely, 2^849458247 is an apocalyptic number.

849458247 is a deficient number, since it is larger than the sum of its proper divisors (424160697).

849458247 is a wasteful number, since it uses less digits than its factorization.

849458247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its digits is 2580480, while the sum is 51.

The square root of 849458247 is about 29145.4670060371. The cubic root of 849458247 is about 947.0669452348.

The spelling of 849458247 in words is "eight hundred forty-nine million, four hundred fifty-eight thousand, two hundred forty-seven".