999995630 has 8 divisors (see below), whose sum is σ = 1799992152. Its totient is φ = 399998248.

The previous prime is 999995629. The next prime is 999995651. The reversal of 999995630 is 36599999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 999995630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49999772 + ... + 49999791.

It is an arithmetic number, because the mean of its divisors is an integer number (224999019).

Almost surely, 2^999995630 is an apocalyptic number.

999995630 is a deficient number, since it is larger than the sum of its proper divisors (799996522).

999995630 is a wasteful number, since it uses less digits than its factorization.

999995630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99999570.

The product of its (nonzero) digits is 5314410, while the sum is 59.

The square root of 999995630 is about 31622.7075058414. The cubic root of 999995630 is about 999.9985433312.

The spelling of 999995630 in words is "nine hundred ninety-nine million, nine hundred ninety-five thousand, six hundred thirty".