834402856 has 16 divisors (see below), whose sum is σ = 1788006240. Its totient is φ = 357601200.

The previous prime is 834402853. The next prime is 834402859. The reversal of 834402856 is 658204438.

It is an interprime number because it is at equal distance from previous prime (834402853) and next prime (834402859).

It is a super-2 number, since 2×834402856² = 1392456252201913472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (834402853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449970 + ... + 7450081.

It is an arithmetic number, because the mean of its divisors is an integer number (111750390).

Almost surely, 2^834402856 is an apocalyptic number.

It is an amenable number.

834402856 is an abundant number, since it is smaller than the sum of its proper divisors (953603384).

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

834402856 is a wasteful number, since it uses less digits than its factorization.

834402856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900064 (or 14900060 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 834402856 is about 28886.0321955093. The cubic root of 834402856 is about 941.4384405200.

The spelling of 834402856 in words is "eight hundred thirty-four million, four hundred two thousand, eight hundred fifty-six".