830505256 has 32 divisors (see below), whose sum is σ = 1827757440. Its totient is φ = 346310208.

The previous prime is 830505253. The next prime is 830505259. The reversal of 830505256 is 652505038.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (830505253) and next prime (830505259).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (830505251) 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, 198340 + ... + 202483.

It is an arithmetic number, because the mean of its divisors is an integer number (57117420).

Almost surely, 2^830505256 is an apocalyptic number.

It is an amenable number.

830505256 is an abundant number, since it is smaller than the sum of its proper divisors (997252184).

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

830505256 is a wasteful number, since it uses less digits than its factorization.

830505256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400873 (or 400869 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 830505256 is about 28818.4880935833. The cubic root of 830505256 is about 939.9702933120.

The spelling of 830505256 in words is "eight hundred thirty million, five hundred five thousand, two hundred fifty-six".