630394748 has 12 divisors (see below), whose sum is σ = 1168084512. Its totient is φ = 296656320.

The previous prime is 630394733. The next prime is 630394757. The reversal of 630394748 is 847493036.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 630394699 and 630394708.

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, 4635188 + ... + 4635323.

It is an arithmetic number, because the mean of its divisors is an integer number (97340376).

Almost surely, 2^630394748 is an apocalyptic number.

630394748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

630394748 is a deficient number, since it is larger than the sum of its proper divisors (537689764).

630394748 is a wasteful number, since it uses less digits than its factorization.

630394748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270532 (or 9270530 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 630394748 is about 25107.6631329959. The cubic root of 630394748 is about 857.4408997452.

The spelling of 630394748 in words is "six hundred thirty million, three hundred ninety-four thousand, seven hundred forty-eight".