630650438 has 16 divisors (see below), whose sum is σ = 1057145040. Its totient is φ = 279667200.

The previous prime is 630650429. The next prime is 630650441. The reversal of 630650438 is 834056036.

It is a junction number, because it is equal to n+sod(n) for n = 630650398 and 630650407.

It is a congruent number.

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, 348683 + ... + 350486.

It is an arithmetic number, because the mean of its divisors is an integer number (66071565).

Almost surely, 2^630650438 is an apocalyptic number.

630650438 is a deficient number, since it is larger than the sum of its proper divisors (426494602).

630650438 is a wasteful number, since it uses less digits than its factorization.

630650438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699223.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 630650438 is about 25112.7544885064. The cubic root of 630650438 is about 857.5568109420.

The spelling of 630650438 in words is "six hundred thirty million, six hundred fifty thousand, four hundred thirty-eight".