834867728 has 10 divisors (see below), whose sum is σ = 1617556254. Its totient is φ = 417433856.

The previous prime is 834867703. The next prime is 834867763. The reversal of 834867728 is 827768438.

It can be written as a sum of positive squares in only one way, i.e., 551686144 + 283181584 = 23488^2 + 16828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 834867728.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26089601 + ... + 26089632.

Almost surely, 2^834867728 is an apocalyptic number.

It is an amenable number.

834867728 is a deficient number, since it is larger than the sum of its proper divisors (782688526).

834867728 is a wasteful number, since it uses less digits than its factorization.

834867728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52179241 (or 52179235 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 53.

The square root of 834867728 is about 28894.0777322966. The cubic root of 834867728 is about 941.6132430217.

The spelling of 834867728 in words is "eight hundred thirty-four million, eight hundred sixty-seven thousand, seven hundred twenty-eight".