386966249 has 16 divisors (see below), whose sum is σ = 401599296. Its totient is φ = 372696000.

The previous prime is 386966233. The next prime is 386966287. The reversal of 386966249 is 942669683.

It is a cyclic number.

It is not a de Polignac number, because 386966249 - 2⁴ = 386966233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 386966249.

It is not an unprimeable number, because it can be changed into a prime (386966299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658934 + ... + 659520.

It is an arithmetic number, because the mean of its divisors is an integer number (25099956).

Almost surely, 2^386966249 is an apocalyptic number.

It is an amenable number.

386966249 is a deficient number, since it is larger than the sum of its proper divisors (14633047).

386966249 is a wasteful number, since it uses less digits than its factorization.

386966249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 3359232, while the sum is 53.

The square root of 386966249 is about 19671.4577243274. The cubic root of 386966249 is about 728.7149776778.

It can be divided in two parts, 38 and 6966249, that multiplied together give a palindrome (264717462).

The spelling of 386966249 in words is "three hundred eighty-six million, nine hundred sixty-six thousand, two hundred forty-nine".