3656382012 has 48 divisors (see below), whose sum is σ = 9501031680. Its totient is φ = 1216026864.

The previous prime is 3656382011. The next prime is 3656382071. The reversal of 3656382012 is 2102836563.

It is a happy number.

3656382012 is a `hidden beast` number, since 3 + 6 + 5 + 638 + 2 + 0 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656382011) 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, 9633 + ... + 86055.

It is an arithmetic number, because the mean of its divisors is an integer number (197938160).

Almost surely, 2^3656382012 is an apocalyptic number.

It is an amenable number.

3656382012 is an abundant number, since it is smaller than the sum of its proper divisors (5844649668).

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

3656382012 is a wasteful number, since it uses less digits than its factorization.

3656382012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76879 (or 76871 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3656382012 is about 60468.0247072781. The cubic root of 3656382012 is about 1540.5785777887.

The spelling of 3656382012 in words is "three billion, six hundred fifty-six million, three hundred eighty-two thousand, twelve".