647032230 has 96 divisors (see below), whose sum is σ = 1837442880. Its totient is φ = 157006080.

The previous prime is 647032219. The next prime is 647032241. The reversal of 647032230 is 32230746.

647032230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (647032219) and next prime (647032241).

It is a junction number, because it is equal to n+sod(n) for n = 647032194 and 647032203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79176 + ... + 86964.

It is an arithmetic number, because the mean of its divisors is an integer number (19140030).

Almost surely, 2^647032230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647032230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918721440).

647032230 is an abundant number, since it is smaller than the sum of its proper divisors (1190410650).

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

647032230 is a wasteful number, since it uses less digits than its factorization.

647032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 647032230 is about 25436.8282220878. The cubic root of 647032230 is about 864.9187356136.

Adding to 647032230 its reverse (32230746), we get a palindrome (679262976).

The spelling of 647032230 in words is "six hundred forty-seven million, thirty-two thousand, two hundred thirty".