830012728 has 16 divisors (see below), whose sum is σ = 1571384880. Its totient is φ = 410976768.

The previous prime is 830012713. The next prime is 830012731. The reversal of 830012728 is 827210038.

It is a super-2 number, since 2×830012728² = 1377842257284003968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 830012728.

It is a congruent number.

It is an unprimeable number.

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, 502825 + ... + 504472.

It is an arithmetic number, because the mean of its divisors is an integer number (98211555).

Almost surely, 2^830012728 is an apocalyptic number.

It is an amenable number.

830012728 is a deficient number, since it is larger than the sum of its proper divisors (741372152).

830012728 is a wasteful number, since it uses less digits than its factorization.

830012728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007406 (or 1007402 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 830012728 is about 28809.9414785938. The cubic root of 830012728 is about 939.7844412921.

The spelling of 830012728 in words is "eight hundred thirty million, twelve thousand, seven hundred twenty-eight".