3287386812 has 12 divisors (see below), whose sum is σ = 7670569256. Its totient is φ = 1095795600.

The previous prime is 3287386811. The next prime is 3287386813. The reversal of 3287386812 is 2186837823.

It is an interprime number because it is at equal distance from previous prime (3287386811) and next prime (3287386813).

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

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287386811) 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, 136974439 + ... + 136974462.

Almost surely, 2^3287386812 is an apocalyptic number.

It is an amenable number.

3287386812 is an abundant number, since it is smaller than the sum of its proper divisors (4383182444).

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

3287386812 is a wasteful number, since it uses less digits than its factorization.

3287386812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273948908 (or 273948906 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 3287386812 is about 57335.7376511369. The cubic root of 3287386812 is about 1486.9063044387.

The spelling of 3287386812 in words is "three billion, two hundred eighty-seven million, three hundred eighty-six thousand, eight hundred twelve".