388361 has 4 divisors (see below), whose sum is σ = 396672. Its totient is φ = 380052.

The previous prime is 388351. The next prime is 388363. The reversal of 388361 is 163883.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388361 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388361.

It is not an unprimeable number, because it can be changed into a prime (388363) 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, 4085 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (99168).

2³⁸⁸³⁶¹ is an apocalyptic number.

It is an amenable number.

388361 is a deficient number, since it is larger than the sum of its proper divisors (8311).

388361 is an equidigital number, since it uses as much as digits as its factorization.

388361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310.

The product of its digits is 3456, while the sum is 29.

The square root of 388361 is about 623.1861680108. The cubic root of 388361 is about 72.9589435739.

The spelling of 388361 in words is "three hundred eighty-eight thousand, three hundred sixty-one".