387396766 has 8 divisors (see below), whose sum is σ = 581186664. Its totient is φ = 193667880.

The previous prime is 387396733. The next prime is 387396767. The reversal of 387396766 is 667693783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387396767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7281 + ... + 28771.

It is an arithmetic number, because the mean of its divisors is an integer number (72648333).

Almost surely, 2^387396766 is an apocalyptic number.

387396766 is a deficient number, since it is larger than the sum of its proper divisors (193789898).

387396766 is a wasteful number, since it uses less digits than its factorization.

387396766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30506.

The product of its digits is 6858432, while the sum is 55.

The square root of 387396766 is about 19682.3973641424. The cubic root of 387396766 is about 728.9851200264.

The spelling of 387396766 in words is "three hundred eighty-seven million, three hundred ninety-six thousand, seven hundred sixty-six".