849870774 has 12 divisors (see below), whose sum is σ = 1841386716. Its totient is φ = 283290252.

The previous prime is 849870773. The next prime is 849870823. The reversal of 849870774 is 477078948.

It is a self number, because there is not a number n which added to its sum of digits gives 849870774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849870773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23607504 + ... + 23607539.

It is an arithmetic number, because the mean of its divisors is an integer number (153448893).

Almost surely, 2^849870774 is an apocalyptic number.

849870774 is an abundant number, since it is smaller than the sum of its proper divisors (991515942).

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

849870774 is a wasteful number, since it uses less digits than its factorization.

849870774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47215051 (or 47215048 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 849870774 is about 29152.5431823709. The cubic root of 849870774 is about 947.2202301705.

The spelling of 849870774 in words is "eight hundred forty-nine million, eight hundred seventy thousand, seven hundred seventy-four".