630654438 has 8 divisors (see below), whose sum is σ = 1261308888. Its totient is φ = 210218144.

The previous prime is 630654419. The next prime is 630654449. The reversal of 630654438 is 834456036.

630654438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

630654438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 630654396 and 630654405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52554531 + ... + 52554542.

It is an arithmetic number, because the mean of its divisors is an integer number (157663611).

Almost surely, 2^630654438 is an apocalyptic number.

630654438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630654438 is a wasteful number, since it uses less digits than its factorization.

630654438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105109078.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 630654438 is about 25112.8341291858. The cubic root of 630654438 is about 857.5586240013.

The spelling of 630654438 in words is "six hundred thirty million, six hundred fifty-four thousand, four hundred thirty-eight".