999994650 has 48 divisors (see below), whose sum is σ = 2488855584. Its totient is φ = 265711680.

The previous prime is 999994649. The next prime is 999994651. The reversal of 999994650 is 56499999.

It is an interprime number because it is at equal distance from previous prime (999994649) and next prime (999994651).

It is not an unprimeable number, because it can be changed into a prime (999994651) 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 23 ways as a sum of consecutive naturals, for example, 30672 + ... + 54228.

It is an arithmetic number, because the mean of its divisors is an integer number (51851158).

Almost surely, 2^999994650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999994650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244427792).

999994650 is an abundant number, since it is smaller than the sum of its proper divisors (1488860934).

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

999994650 is a wasteful number, since it uses less digits than its factorization.

999994650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855 (or 23850 counting only the distinct ones).

The product of its (nonzero) digits is 7085880, while the sum is 60.

The square root of 999994650 is about 31622.6920106432. The cubic root of 999994650 is about 999.9982166635.

The spelling of 999994650 in words is "nine hundred ninety-nine million, nine hundred ninety-four thousand, six hundred fifty".