387706886 has 8 divisors (see below), whose sum is σ = 664640400. Its totient is φ = 166160088.

The previous prime is 387706853. The next prime is 387706897. The reversal of 387706886 is 688607783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13846661 + ... + 13846688.

It is an arithmetic number, because the mean of its divisors is an integer number (83080050).

Almost surely, 2^387706886 is an apocalyptic number.

387706886 is a deficient number, since it is larger than the sum of its proper divisors (276933514).

387706886 is a wasteful number, since it uses less digits than its factorization.

387706886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27693358.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 387706886 is about 19690.2738934734. The cubic root of 387706886 is about 729.1795912477.

The spelling of 387706886 in words is "three hundred eighty-seven million, seven hundred six thousand, eight hundred eighty-six".