3612947328 has 224 divisors, whose sum is σ = 11148600000. Its totient is φ = 1164533760.

The previous prime is 3612947309. The next prime is 3612947357. The reversal of 3612947328 is 8237492163.

3612947328 is a `hidden beast` number, since 3 + 612 + 9 + 4 + 7 + 3 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2892048 + ... + 2893296.

Almost surely, 2^3612947328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3612947328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5574300000).

3612947328 is an abundant number, since it is smaller than the sum of its proper divisors (7535652672).

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

3612947328 is an equidigital number, since it uses as much as digits as its factorization.

3612947328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1285 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 3612947328 is about 60107.7975640432. The cubic root of 3612947328 is about 1534.4540108851.

The spelling of 3612947328 in words is "three billion, six hundred twelve million, nine hundred forty-seven thousand, three hundred twenty-eight".