386862321 has 4 divisors (see below), whose sum is σ = 515816432. Its totient is φ = 257908212.

The previous prime is 386862283. The next prime is 386862383. The reversal of 386862321 is 123268683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 386862321 - 2¹⁸ = 386600177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386862321.

It is not an unprimeable number, because it can be changed into a prime (386862391) 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, 64477051 + ... + 64477056.

It is an arithmetic number, because the mean of its divisors is an integer number (128954108).

Almost surely, 2^386862321 is an apocalyptic number.

It is an amenable number.

386862321 is a deficient number, since it is larger than the sum of its proper divisors (128954111).

386862321 is a wasteful number, since it uses less digits than its factorization.

386862321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128954110.

The product of its digits is 82944, while the sum is 39.

The square root of 386862321 is about 19668.8159531783. The cubic root of 386862321 is about 728.6497345450.

The spelling of 386862321 in words is "three hundred eighty-six million, eight hundred sixty-two thousand, three hundred twenty-one".