630595396 has 6 divisors (see below), whose sum is σ = 1103541950. Its totient is φ = 315297696.

The previous prime is 630595391. The next prime is 630595409. The reversal of 630595396 is 693595036.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 600740100 + 29855296 = 24510^2 + 5464^2 .

It is not an unprimeable number, because it can be changed into a prime (630595391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78824421 + ... + 78824428.

Almost surely, 2^630595396 is an apocalyptic number.

It is an amenable number.

630595396 is a deficient number, since it is larger than the sum of its proper divisors (472946554).

630595396 is a wasteful number, since it uses less digits than its factorization.

630595396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157648853 (or 157648851 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 46.

The square root of 630595396 is about 25111.6585672870. The cubic root of 630595396 is about 857.5318615604.

The spelling of 630595396 in words is "six hundred thirty million, five hundred ninety-five thousand, three hundred ninety-six".