630546393 has 8 divisors (see below), whose sum is σ = 854978400. Its totient is φ = 413239328.

The previous prime is 630546289. The next prime is 630546401. The reversal of 630546393 is 393645036.

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

It is a cyclic number.

It is not a de Polignac number, because 630546393 - 2¹⁰ = 630545369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630546493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781028 + ... + 1781381.

It is an arithmetic number, because the mean of its divisors is an integer number (106872300).

Almost surely, 2^630546393 is an apocalyptic number.

It is an amenable number.

630546393 is a deficient number, since it is larger than the sum of its proper divisors (224432007).

630546393 is a wasteful number, since it uses less digits than its factorization.

630546393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562471.

The product of its (nonzero) digits is 174960, while the sum is 39.

The square root of 630546393 is about 25110.6828461514. The cubic root of 630546393 is about 857.5096483089.

The spelling of 630546393 in words is "six hundred thirty million, five hundred forty-six thousand, three hundred ninety-three".