630000352 has 48 divisors (see below), whose sum is σ = 1296691200. Its totient is φ = 300942720.

The previous prime is 630000323. The next prime is 630000373. The reversal of 630000352 is 253000036.

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, 74349 + ... + 82387.

It is an arithmetic number, because the mean of its divisors is an integer number (27014400).

Almost surely, 2^630000352 is an apocalyptic number.

630000352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630000352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648345600).

630000352 is an abundant number, since it is smaller than the sum of its proper divisors (666690848).

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

630000352 is a wasteful number, since it uses less digits than its factorization.

630000352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159 (or 8151 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 630000352 is about 25099.8078080291. The cubic root of 630000352 is about 857.2620478907.

Adding to 630000352 its reverse (253000036), we get a palindrome (883000388).

The spelling of 630000352 in words is "six hundred thirty million, three hundred fifty-two", and thus it is an aban number.