630655230 has 32 divisors (see below), whose sum is σ = 1516237344. Its totient is φ = 167878656.

The previous prime is 630655229. The next prime is 630655231. The reversal of 630655230 is 32556036.

It is an interprime number because it is at equal distance from previous prime (630655229) and next prime (630655231).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630655231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (47382417).

Almost surely, 2^630655230 is an apocalyptic number.

630655230 is an abundant number, since it is smaller than the sum of its proper divisors (885582114).

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

630655230 is a wasteful number, since it uses less digits than its factorization.

630655230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37020.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 630655230 is about 25112.8498980104. The cubic root of 630655230 is about 857.5589829862.

The spelling of 630655230 in words is "six hundred thirty million, six hundred fifty-five thousand, two hundred thirty".