849884994 has 32 divisors (see below), whose sum is σ = 2158439040. Its totient is φ = 242824176.

The previous prime is 849884969. The next prime is 849884999. The reversal of 849884994 is 499488948.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (849884999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123809 + ... + 1124564.

It is an arithmetic number, because the mean of its divisors is an integer number (67451220).

Almost surely, 2^849884994 is an apocalyptic number.

849884994 is an abundant number, since it is smaller than the sum of its proper divisors (1308554046).

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

849884994 is a wasteful number, since it uses less digits than its factorization.

849884994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248391 (or 2248385 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 849884994 is about 29152.7870708788. The cubic root of 849884994 is about 947.2255130900.

The spelling of 849884994 in words is "eight hundred forty-nine million, eight hundred eighty-four thousand, nine hundred ninety-four".