630428116 has 12 divisors (see below), whose sum is σ = 1104214132. Its totient is φ = 314938368.

The previous prime is 630428111. The next prime is 630428143. The reversal of 630428116 is 611824036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 417384900 + 213043216 = 20430^2 + 14596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630428111) 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, 63735 + ... + 72958.

Almost surely, 2^630428116 is an apocalyptic number.

It is an amenable number.

630428116 is a deficient number, since it is larger than the sum of its proper divisors (473786016).

630428116 is a wasteful number, since it uses less digits than its factorization.

630428116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137850 (or 137848 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 630428116 is about 25108.3276225240. The cubic root of 630428116 is about 857.4560281407.

The spelling of 630428116 in words is "six hundred thirty million, four hundred twenty-eight thousand, one hundred sixteen".