830389572 has 36 divisors (see below), whose sum is σ = 2103861760. Its totient is φ = 276160752.

The previous prime is 830389559. The next prime is 830389601. The reversal of 830389572 is 275983038.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 10468 + ... + 42075.

Almost surely, 2^830389572 is an apocalyptic number.

It is an amenable number.

830389572 is an abundant number, since it is smaller than the sum of its proper divisors (1273472188).

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

830389572 is a wasteful number, since it uses less digits than its factorization.

830389572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52992 (or 52987 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 830389572 is about 28816.4809093685. The cubic root of 830389572 is about 939.9266473620.

The spelling of 830389572 in words is "eight hundred thirty million, three hundred eighty-nine thousand, five hundred seventy-two".