830470520 has 32 divisors (see below), whose sum is σ = 2038428720. Its totient is φ = 301989120.

The previous prime is 830470471. The next prime is 830470523. The reversal of 830470520 is 25074038.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830470523) 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, 943277 + ... + 944156.

Almost surely, 2^830470520 is an apocalyptic number.

It is an amenable number.

830470520 is an abundant number, since it is smaller than the sum of its proper divisors (1207958200).

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

830470520 is a wasteful number, since it uses less digits than its factorization.

830470520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887455 (or 1887451 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 830470520 is about 28817.8854186077. The cubic root of 830470520 is about 939.9571883324.

The spelling of 830470520 in words is "eight hundred thirty million, four hundred seventy thousand, five hundred twenty".