630364838 has 16 divisors (see below), whose sum is σ = 960595200. Its totient is φ = 310182600.

The previous prime is 630364829. The next prime is 630364849. The reversal of 630364838 is 838463036.

It is a junction number, because it is equal to n+sod(n) for n = 630364795 and 630364804.

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, 81353 + ... + 88763.

It is an arithmetic number, because the mean of its divisors is an integer number (60037200).

Almost surely, 2^630364838 is an apocalyptic number.

630364838 is a deficient number, since it is larger than the sum of its proper divisors (330230362).

630364838 is a wasteful number, since it uses less digits than its factorization.

630364838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 630364838 is about 25107.0674910472. The cubic root of 630364838 is about 857.4273386853.

The spelling of 630364838 in words is "six hundred thirty million, three hundred sixty-four thousand, eight hundred thirty-eight".