386671667 has 4 divisors (see below), whose sum is σ = 386987520. Its totient is φ = 386355816.

The previous prime is 386671651. The next prime is 386671687. The reversal of 386671667 is 766176683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766176683 = 73 ⋅10495571.

It is a cyclic number.

It is not a de Polignac number, because 386671667 - 2⁴ = 386671651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386671627) 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, 156083 + ... + 158540.

It is an arithmetic number, because the mean of its divisors is an integer number (96746880).

Almost surely, 2^386671667 is an apocalyptic number.

386671667 is a deficient number, since it is larger than the sum of its proper divisors (315853).

386671667 is a wasteful number, since it uses less digits than its factorization.

386671667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315852.

The product of its digits is 1524096, while the sum is 50.

The square root of 386671667 is about 19663.9687499752. The cubic root of 386671667 is about 728.5300168348.

The spelling of 386671667 in words is "three hundred eighty-six million, six hundred seventy-one thousand, six hundred sixty-seven".