999980230 has 16 divisors (see below), whose sum is σ = 1801699200.
Its totient is φ = 399606592.
The previous prime is 999980213. The next prime is 999980231. The reversal of 999980230 is 32089999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (999980231) 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, 37174 + ... + 58153.
It is an arithmetic number, because the mean of its divisors is an integer number (112606200).
Almost surely, 2999980230 is an apocalyptic number.
999980230 is a deficient number, since it is larger than the sum of its proper divisors (801718970).
999980230 is a wasteful number, since it uses less digits than its factorization.
999980230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96383.
The product of its (nonzero) digits is 314928, while the sum is 49.
The square root of 999980230 is about 31622.4640089921.
The cubic root of 999980230 is about 999.9934099566.
The spelling of 999980230 in words is "nine hundred ninety-nine million, nine hundred eighty thousand, two hundred thirty".