834685140 has 24 divisors (see below), whose sum is σ = 2337118560. Its totient is φ = 222582688.

The previous prime is 834685127. The next prime is 834685141. The reversal of 834685140 is 41586438.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834685141) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6955650 + ... + 6955769.

It is an arithmetic number, because the mean of its divisors is an integer number (97379940).

Almost surely, 2^834685140 is an apocalyptic number.

It is an amenable number.

834685140 is an abundant number, since it is smaller than the sum of its proper divisors (1502433420).

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

834685140 is a wasteful number, since it uses less digits than its factorization.

834685140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911431 (or 13911429 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 834685140 is about 28890.9179501102. The cubic root of 834685140 is about 941.5445934986.

The spelling of 834685140 in words is "eight hundred thirty-four million, six hundred eighty-five thousand, one hundred forty".