999962506 has 16 divisors (see below), whose sum is σ = 1567488384. Its totient is φ = 477961344.

The previous prime is 999962497. The next prime is 999962507. The reversal of 999962506 is 605269999.

It is not an unprimeable number, because it can be changed into a prime (999962507) 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 7 ways as a sum of consecutive naturals, for example, 119655 + ... + 127738.

It is an arithmetic number, because the mean of its divisors is an integer number (97968024).

Almost surely, 2^999962506 is an apocalyptic number.

999962506 is a deficient number, since it is larger than the sum of its proper divisors (567525878).

999962506 is a wasteful number, since it uses less digits than its factorization.

999962506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247485.

The product of its (nonzero) digits is 2361960, while the sum is 55.

The square root of 999962506 is about 31622.1837639338. The cubic root of 999962506 is about 999.9875018438.

The spelling of 999962506 in words is "nine hundred ninety-nine million, nine hundred sixty-two thousand, five hundred six".