834868836 has 48 divisors (see below), whose sum is σ = 2194980480. Its totient is φ = 274367520.

The previous prime is 834868819. The next prime is 834868841. The reversal of 834868836 is 638868438.

It is a happy number.

834868836 is a `hidden beast` number, since 83 + 486 + 8 + 83 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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, 46771 + ... + 62106.

It is an arithmetic number, because the mean of its divisors is an integer number (45728760).

Almost surely, 2^834868836 is an apocalyptic number.

It is an amenable number.

834868836 is an abundant number, since it is smaller than the sum of its proper divisors (1360111644).

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

834868836 is a wasteful number, since it uses less digits than its factorization.

834868836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108961 (or 108953 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 834868836 is about 28894.0969057695. The cubic root of 834868836 is about 941.6136595775.

The spelling of 834868836 in words is "eight hundred thirty-four million, eight hundred sixty-eight thousand, eight hundred thirty-six".