840774596 has 12 divisors (see below), whose sum is σ = 1472749740. Its totient is φ = 419988960.

The previous prime is 840774553. The next prime is 840774619. The reversal of 840774596 is 695477048.

It can be written as a sum of positive squares in 2 ways, for example, as 351037696 + 489736900 = 18736^2 + 22130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94811 + ... + 103298.

It is an arithmetic number, because the mean of its divisors is an integer number (122729145).

Almost surely, 2^840774596 is an apocalyptic number.

It is an amenable number.

840774596 is a deficient number, since it is larger than the sum of its proper divisors (631975144).

840774596 is a wasteful number, since it uses less digits than its factorization.

840774596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199174 (or 199172 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 840774596 is about 28996.1134637041. The cubic root of 840774596 is about 943.8287313175.

The spelling of 840774596 in words is "eight hundred forty million, seven hundred seventy-four thousand, five hundred ninety-six".