388397 has 8 divisors (see below), whose sum is σ = 410400. Its totient is φ = 367024.

The previous prime is 388391. The next prime is 388403. The reversal of 388397 is 793883.

It is an interprime number because it is at equal distance from previous prime (388391) and next prime (388403).

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

It is not a de Polignac number, because 388397 - 2¹² = 384301 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 388397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388391) 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, 1598 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2³⁸⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

388397 is a deficient number, since it is larger than the sum of its proper divisors (22003).

388397 is a wasteful number, since it uses less digits than its factorization.

388397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 36288, while the sum is 38.

The square root of 388397 is about 623.2150511661. The cubic root of 388397 is about 72.9611978689.

The spelling of 388397 in words is "three hundred eighty-eight thousand, three hundred ninety-seven".