387112884 has 12 divisors (see below), whose sum is σ = 903263424. Its totient is φ = 129037624.

The previous prime is 387112871. The next prime is 387112889. The reversal of 387112884 is 488211783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387112889) 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, 16129692 + ... + 16129715.

It is an arithmetic number, because the mean of its divisors is an integer number (75271952).

Almost surely, 2^387112884 is an apocalyptic number.

It is an amenable number.

387112884 is an abundant number, since it is smaller than the sum of its proper divisors (516150540).

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

387112884 is a wasteful number, since it uses less digits than its factorization.

387112884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32259414 (or 32259412 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 387112884 is about 19675.1844718163. The cubic root of 387112884 is about 728.8070112224.

The spelling of 387112884 in words is "three hundred eighty-seven million, one hundred twelve thousand, eight hundred eighty-four".