630793394 has 64 divisors (see below), whose sum is σ = 1235533824. Its totient is φ = 234360000.

The previous prime is 630793391. The next prime is 630793477. The reversal of 630793394 is 493397036.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630793391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338024 + ... + 339884.

It is an arithmetic number, because the mean of its divisors is an integer number (19305216).

Almost surely, 2^630793394 is an apocalyptic number.

630793394 is a deficient number, since it is larger than the sum of its proper divisors (604740430).

630793394 is a wasteful number, since it uses less digits than its factorization.

630793394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 630793394 is about 25115.6006099794. The cubic root of 630793394 is about 857.6216031111.

The spelling of 630793394 in words is "six hundred thirty million, seven hundred ninety-three thousand, three hundred ninety-four".