630879914 has 16 divisors (see below), whose sum is σ = 1138430400. Its totient is φ = 256146624.

The previous prime is 630879881. The next prime is 630879937. The reversal of 630879914 is 419978036.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185599 + ... + 1186130.

It is an arithmetic number, because the mean of its divisors is an integer number (71151900).

Almost surely, 2^630879914 is an apocalyptic number.

630879914 is a deficient number, since it is larger than the sum of its proper divisors (507550486).

630879914 is a wasteful number, since it uses less digits than its factorization.

630879914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371757.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 630879914 is about 25117.3229863375. The cubic root of 630879914 is about 857.6608119496.

The spelling of 630879914 in words is "six hundred thirty million, eight hundred seventy-nine thousand, nine hundred fourteen".