827631930 has 32 divisors (see below), whose sum is σ = 2028582144. Its totient is φ = 216005696.

The previous prime is 827631929. The next prime is 827631943. The reversal of 827631930 is 39136728.

It is a super-2 number, since 2×827631930² = 1369949223111049800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292077 + ... + 294896.

It is an arithmetic number, because the mean of its divisors is an integer number (63393192).

Almost surely, 2^827631930 is an apocalyptic number.

827631930 is an abundant number, since it is smaller than the sum of its proper divisors (1200950214).

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

827631930 is a wasteful number, since it uses less digits than its factorization.

827631930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587030.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 827631930 is about 28768.5927705892. The cubic root of 827631930 is about 938.8850255214.

The spelling of 827631930 in words is "eight hundred twenty-seven million, six hundred thirty-one thousand, nine hundred thirty".