849890344 has 8 divisors (see below), whose sum is σ = 1593544410. Its totient is φ = 424945168.

The previous prime is 849890263. The next prime is 849890383. The reversal of 849890344 is 443098948.

It can be written as a sum of positive squares in only one way, i.e., 460617444 + 389272900 = 21462^2 + 19730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53118139 + ... + 53118154.

Almost surely, 2^849890344 is an apocalyptic number.

It is an amenable number.

849890344 is a deficient number, since it is larger than the sum of its proper divisors (743654066).

849890344 is a wasteful number, since it uses less digits than its factorization.

849890344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106236299 (or 106236295 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 849890344 is about 29152.8788286852. The cubic root of 849890344 is about 947.2275006710.

The spelling of 849890344 in words is "eight hundred forty-nine million, eight hundred ninety thousand, three hundred forty-four".