999010650 has 96 divisors (see below), whose sum is σ = 2790107136. Its totient is φ = 234360000.

The previous prime is 999010643. The next prime is 999010651. The reversal of 999010650 is 56010999.

It is a junction number, because it is equal to n+sod(n) for n = 999010599 and 999010608.

It is not an unprimeable number, because it can be changed into a prime (999010651) 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 47 ways as a sum of consecutive naturals, for example, 41385 + ... + 60915.

It is an arithmetic number, because the mean of its divisors is an integer number (29063616).

Almost surely, 2^999010650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999010650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395053568).

999010650 is an abundant number, since it is smaller than the sum of its proper divisors (1791096486).

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

999010650 is a wasteful number, since it uses less digits than its factorization.

999010650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588 (or 19583 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 999010650 is about 31607.1297336534. The cubic root of 999010650 is about 999.6701078498.

The spelling of 999010650 in words is "nine hundred ninety-nine million, ten thousand, six hundred fifty".