386669 has 8 divisors (see below), whose sum is σ = 416640. Its totient is φ = 357696.

The previous prime is 386651. The next prime is 386677. The reversal of 386669 is 966683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 386669 - 2⁸ = 386413 is a prime.

It is a super-2 number, since 2×386669² = 299025831122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 386669.

It is not an unprimeable number, because it can be changed into a prime (386609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2³⁸⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

386669 is a deficient number, since it is larger than the sum of its proper divisors (29971).

386669 is a wasteful number, since it uses less digits than its factorization.

386669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its digits is 46656, while the sum is 38.

The square root of 386669 is about 621.8271464000. The cubic root of 386669 is about 72.8528341862.

The spelling of 386669 in words is "three hundred eighty-six thousand, six hundred sixty-nine".