834739984 has 40 divisors (see below), whose sum is σ = 1844178840. Its totient is φ = 362600448.

The previous prime is 834739949. The next prime is 834739987. The reversal of 834739984 is 489937438.

It can be written as a sum of positive squares in 4 ways, for example, as 685584 + 834054400 = 828^2 + 28880^2 .

It is not an unprimeable number, because it can be changed into a prime (834739987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114499 + ... + 121570.

It is an arithmetic number, because the mean of its divisors is an integer number (46104471).

Almost surely, 2^834739984 is an apocalyptic number.

It is an amenable number.

834739984 is an abundant number, since it is smaller than the sum of its proper divisors (1009438856).

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

834739984 is a wasteful number, since it uses less digits than its factorization.

834739984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236107 (or 236101 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 834739984 is about 28891.8670909306. The cubic root of 834739984 is about 941.5652148237.

The spelling of 834739984 in words is "eight hundred thirty-four million, seven hundred thirty-nine thousand, nine hundred eighty-four".