830188970 has 16 divisors (see below), whose sum is σ = 1609289640. Its totient is φ = 306531264.

The previous prime is 830188927. The next prime is 830189039. The reversal of 830188970 is 79881038.

It is a Cunningham number, because it is equal to 28813²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 616181329 + 214007641 = 24823^2 + 14629^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3192905 + ... + 3193164.

Almost surely, 2^830188970 is an apocalyptic number.

830188970 is a deficient number, since it is larger than the sum of its proper divisors (779100670).

830188970 is a wasteful number, since it uses less digits than its factorization.

830188970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386089.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 830188970 is about 28813.0000173533. Note that the first 4 decimals coincide. The cubic root of 830188970 is about 939.8509534319.

The spelling of 830188970 in words is "eight hundred thirty million, one hundred eighty-eight thousand, nine hundred seventy".