630338346 has 48 divisors (see below), whose sum is σ = 1526249088. Its totient is φ = 186350400.

The previous prime is 630338341. The next prime is 630338351. The reversal of 630338346 is 643833036.

It is a happy number.

630338346 is a `hidden beast` number, since 6 + 303 + 3 + 8 + 346 = 666.

It is an interprime number because it is at equal distance from previous prime (630338341) and next prime (630338351).

It is a self number, because there is not a number n which added to its sum of digits gives 630338346.

It is not an unprimeable number, because it can be changed into a prime (630338341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30706 + ... + 46941.

It is an arithmetic number, because the mean of its divisors is an integer number (31796856).

Almost surely, 2^630338346 is an apocalyptic number.

630338346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

630338346 is an abundant number, since it is smaller than the sum of its proper divisors (895910742).

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

630338346 is a wasteful number, since it uses less digits than its factorization.

630338346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77707 (or 77704 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 630338346 is about 25106.5399049730. The cubic root of 630338346 is about 857.4153269730.

The spelling of 630338346 in words is "six hundred thirty million, three hundred thirty-eight thousand, three hundred forty-six".