387688346 has 8 divisors (see below), whose sum is σ = 581803104. Its totient is φ = 193753980.

The previous prime is 387688321. The next prime is 387688397. The reversal of 387688346 is 643886783.

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

It is an unprimeable number.

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, 39590 + ... + 48401.

It is an arithmetic number, because the mean of its divisors is an integer number (72725388).

Almost surely, 2^387688346 is an apocalyptic number.

387688346 is a deficient number, since it is larger than the sum of its proper divisors (194114758).

387688346 is a wasteful number, since it uses less digits than its factorization.

387688346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90196.

The product of its digits is 4644864, while the sum is 53.

The square root of 387688346 is about 19689.8030970348. The cubic root of 387688346 is about 729.1679680296.

The spelling of 387688346 in words is "three hundred eighty-seven million, six hundred eighty-eight thousand, three hundred forty-six".