3247130628 has 432 divisors, whose sum is σ = 10979841600. Its totient is φ = 801239040.

The previous prime is 3247130599. The next prime is 3247130641. The reversal of 3247130628 is 8260317423.

It is a happy number.

3247130628 is a `hidden beast` number, since 3 + 24 + 7 + 1 + 3 + 0 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3247130592 and 3247130601.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 23360583 + ... + 23360721.

It is an arithmetic number, because the mean of its divisors is an integer number (25416300).

Almost surely, 2^3247130628 is an apocalyptic number.

3247130628 is a gapful number since it is divisible by the number (38) 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 3247130628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5489920800).

3247130628 is an abundant number, since it is smaller than the sum of its proper divisors (7732710972).

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

3247130628 is a wasteful number, since it uses less digits than its factorization.

3247130628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 3247130628 is about 56983.5996405983. The cubic root of 3247130628 is about 1480.8119826063.

The spelling of 3247130628 in words is "three billion, two hundred forty-seven million, one hundred thirty thousand, six hundred twenty-eight".