999970630 has 8 divisors (see below), whose sum is σ = 1799947152. Its totient is φ = 399988248.

The previous prime is 999970619. The next prime is 999970649. The reversal of 999970630 is 36079999.

999970630 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49998522 + ... + 49998541.

It is an arithmetic number, because the mean of its divisors is an integer number (224993394).

Almost surely, 2^999970630 is an apocalyptic number.

999970630 is a deficient number, since it is larger than the sum of its proper divisors (799976522).

999970630 is a wasteful number, since it uses less digits than its factorization.

999970630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99997070.

The product of its (nonzero) digits is 826686, while the sum is 52.

The square root of 999970630 is about 31622.3122177996. The cubic root of 999970630 is about 999.9902099042.

The spelling of 999970630 in words is "nine hundred ninety-nine million, nine hundred seventy thousand, six hundred thirty".