999961276 has 6 divisors (see below), whose sum is σ = 1749932240. Its totient is φ = 499980636.

The previous prime is 999961273. The next prime is 999961289. The reversal of 999961276 is 672169999.

It is a self number, because there is not a number n which added to its sum of digits gives 999961276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999961273) 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 as a sum of consecutive naturals, namely, 124995156 + ... + 124995163.

Almost surely, 2^999961276 is an apocalyptic number.

It is an amenable number.

999961276 is a deficient number, since it is larger than the sum of its proper divisors (749970964).

999961276 is a wasteful number, since it uses less digits than its factorization.

999961276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249990323 (or 249990321 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 58.

The square root of 999961276 is about 31622.1643155556. The cubic root of 999961276 is about 999.9870918334.

The spelling of 999961276 in words is "nine hundred ninety-nine million, nine hundred sixty-one thousand, two hundred seventy-six".