630674386 has 8 divisors (see below), whose sum is σ = 952361100. Its totient is φ = 313220688.

The previous prime is 630674383. The next prime is 630674411. The reversal of 630674386 is 683476036.

It can be written as a sum of positive squares in 2 ways, for example, as 621255625 + 9418761 = 24925^2 + 3069^2 .

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

It is not an unprimeable number, because it can be changed into a prime (630674383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057881 + ... + 1058476.

Almost surely, 2^630674386 is an apocalyptic number.

630674386 is a deficient number, since it is larger than the sum of its proper divisors (321686714).

630674386 is a wasteful number, since it uses less digits than its factorization.

630674386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116508.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 630674386 is about 25113.2312934835. The cubic root of 630674386 is about 857.5676656138.

The spelling of 630674386 in words is "six hundred thirty million, six hundred seventy-four thousand, three hundred eighty-six".