387091086 has 16 divisors (see below), whose sum is σ = 793065168. Its totient is φ = 125883200.

The previous prime is 387091063. The next prime is 387091091. The reversal of 387091086 is 680190783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786525 + ... + 787016.

It is an arithmetic number, because the mean of its divisors is an integer number (49566573).

Almost surely, 2^387091086 is an apocalyptic number.

387091086 is an abundant number, since it is smaller than the sum of its proper divisors (405974082).

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

387091086 is a wasteful number, since it uses less digits than its factorization.

387091086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573587.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 387091086 is about 19674.6305174964. The cubic root of 387091086 is about 728.7933314629.

The spelling of 387091086 in words is "three hundred eighty-seven million, ninety-one thousand, eighty-six".