3281934156 has 12 divisors (see below), whose sum is σ = 7657846392. Its totient is φ = 1093978048.

The previous prime is 3281934119. The next prime is 3281934157. The reversal of 3281934156 is 6514391823.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3281934157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136747245 + ... + 136747268.

It is an arithmetic number, because the mean of its divisors is an integer number (638153866).

Almost surely, 2^3281934156 is an apocalyptic number.

It is an amenable number.

3281934156 is an abundant number, since it is smaller than the sum of its proper divisors (4375912236).

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

3281934156 is a wasteful number, since it uses less digits than its factorization.

3281934156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273494520 (or 273494518 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 3281934156 is about 57288.1676788497. The cubic root of 3281934156 is about 1486.0837589785.

The spelling of 3281934156 in words is "three billion, two hundred eighty-one million, nine hundred thirty-four thousand, one hundred fifty-six".