386330861 has 8 divisors (see below), whose sum is σ = 441651840. Its totient is φ = 331042608.

The previous prime is 386330851. The next prime is 386330869. The reversal of 386330861 is 168033683.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386330861 is a prime.

It is a super-2 number, since 2×386330861² = 298503068322002642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386330869) 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, 27515 + ... + 39111.

It is an arithmetic number, because the mean of its divisors is an integer number (55206480).

Almost surely, 2^386330861 is an apocalyptic number.

It is an amenable number.

386330861 is a deficient number, since it is larger than the sum of its proper divisors (55320979).

386330861 is a wasteful number, since it uses less digits than its factorization.

386330861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16363.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 386330861 is about 19655.3010915631. The cubic root of 386330861 is about 728.3159158258.

The spelling of 386330861 in words is "three hundred eighty-six million, three hundred thirty thousand, eight hundred sixty-one".