999230061 has 16 divisors (see below), whose sum is σ = 1385487360. Its totient is φ = 639804480.

The previous prime is 999230051. The next prime is 999230107. The reversal of 999230061 is 160032999.

It is a happy number.

It is not a de Polignac number, because 999230061 - 2¹⁸ = 998967917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999230051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13450 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (86592960).

Almost surely, 2^999230061 is an apocalyptic number.

It is an amenable number.

999230061 is a deficient number, since it is larger than the sum of its proper divisors (386257299).

999230061 is a wasteful number, since it uses less digits than its factorization.

999230061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60356.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 999230061 is about 31610.6004530126. The cubic root of 999230061 is about 999.7432877711.

The spelling of 999230061 in words is "nine hundred ninety-nine million, two hundred thirty thousand, sixty-one".