999950892 has 12 divisors (see below), whose sum is σ = 2333218776. Its totient is φ = 333316960.

The previous prime is 999950891. The next prime is 999950893. The reversal of 999950892 is 298059999.

It is an interprime number because it is at equal distance from previous prime (999950891) and next prime (999950893).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (999950891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41664609 + ... + 41664632.

It is an arithmetic number, because the mean of its divisors is an integer number (194434898).

Almost surely, 2^999950892 is an apocalyptic number.

It is an amenable number.

999950892 is an abundant number, since it is smaller than the sum of its proper divisors (1333267884).

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

999950892 is a wasteful number, since it uses less digits than its factorization.

999950892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83329248 (or 83329246 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 60.

The square root of 999950892 is about 31622.0001264942. Note that the first 3 decimals coincide. The cubic root of 999950892 is about 999.9836303987.

The spelling of 999950892 in words is "nine hundred ninety-nine million, nine hundred fifty thousand, eight hundred ninety-two".