834942728 has 8 divisors (see below), whose sum is σ = 1565517630. Its totient is φ = 417471360.

The previous prime is 834942727. The next prime is 834942749. The reversal of 834942728 is 827249438.

It can be written as a sum of positive squares in only one way, i.e., 482329444 + 352613284 = 21962^2 + 18778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (834942727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52183913 + ... + 52183928.

Almost surely, 2^834942728 is an apocalyptic number.

It is an amenable number.

834942728 is a deficient number, since it is larger than the sum of its proper divisors (730574902).

834942728 is a wasteful number, since it uses less digits than its factorization.

834942728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104367847 (or 104367843 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 834942728 is about 28895.3755469625. The cubic root of 834942728 is about 941.6414386572.

The spelling of 834942728 in words is "eight hundred thirty-four million, nine hundred forty-two thousand, seven hundred twenty-eight".