630146938 has 8 divisors (see below), whose sum is σ = 946323360. Its totient is φ = 314705820.

The previous prime is 630146929. The next prime is 630146953. The reversal of 630146938 is 839641036.

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 630146938.

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, 181678 + ... + 185113.

It is an arithmetic number, because the mean of its divisors is an integer number (118290420).

Almost surely, 2^630146938 is an apocalyptic number.

630146938 is a deficient number, since it is larger than the sum of its proper divisors (316176422).

630146938 is a wasteful number, since it uses less digits than its factorization.

630146938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367652.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 630146938 is about 25102.7277003914. The cubic root of 630146938 is about 857.3285308533.

The spelling of 630146938 in words is "six hundred thirty million, one hundred forty-six thousand, nine hundred thirty-eight".