849562494 has 64 divisors (see below), whose sum is σ = 1905949440. Its totient is φ = 250272000.

The previous prime is 849562489. The next prime is 849562501. The reversal of 849562494 is 494265948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357129 + ... + 359499.

It is an arithmetic number, because the mean of its divisors is an integer number (29780460).

Almost surely, 2^849562494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849562494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952974720).

849562494 is an abundant number, since it is smaller than the sum of its proper divisors (1056386946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849562494 is a wasteful number, since it uses less digits than its factorization.

849562494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its digits is 2488320, while the sum is 51.

The square root of 849562494 is about 29147.2553424847. The cubic root of 849562494 is about 947.1056855534.

The spelling of 849562494 in words is "eight hundred forty-nine million, five hundred sixty-two thousand, four hundred ninety-four".