386320197 has 8 divisors (see below), whose sum is σ = 518551200. Its totient is φ = 255818000.

The previous prime is 386320169. The next prime is 386320201. The reversal of 386320197 is 791023683.

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 386320197 - 2⁶ = 386320133 is a prime.

It is a super-2 number, since 2×386320197² = 298486589220237618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386320117) 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, 431679 + ... + 432572.

It is an arithmetic number, because the mean of its divisors is an integer number (64818900).

Almost surely, 2^386320197 is an apocalyptic number.

It is an amenable number.

386320197 is a deficient number, since it is larger than the sum of its proper divisors (132231003).

386320197 is a wasteful number, since it uses less digits than its factorization.

386320197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864403.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 386320197 is about 19655.0298142740. The cubic root of 386320197 is about 728.3092144608.

The spelling of 386320197 in words is "three hundred eighty-six million, three hundred twenty thousand, one hundred ninety-seven".