387706086 has 48 divisors (see below), whose sum is σ = 873473328. Its totient is φ = 124185600.

The previous prime is 387706061. The next prime is 387706093. The reversal of 387706086 is 680607783.

387706086 is a `hidden beast` number, since 38 + 7 + 7 + 0 + 608 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45526 + ... + 53366.

It is an arithmetic number, because the mean of its divisors is an integer number (18197361).

Almost surely, 2^387706086 is an apocalyptic number.

387706086 is an abundant number, since it is smaller than the sum of its proper divisors (485767242).

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

387706086 is a wasteful number, since it uses less digits than its factorization.

387706086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957 (or 7954 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 387706086 is about 19690.2535788648. The cubic root of 387706086 is about 729.1790897141.

The spelling of 387706086 in words is "three hundred eighty-seven million, seven hundred six thousand, eighty-six".