388149 has 8 divisors (see below), whose sum is σ = 522720. Its totient is φ = 256176.

The previous prime is 388133. The next prime is 388159. The reversal of 388149 is 941883.

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

It is not a de Polignac number, because 388149 - 2⁴ = 388133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (65340).

2³⁸⁸¹⁴⁹ is an apocalyptic number.

It is an amenable number.

388149 is a deficient number, since it is larger than the sum of its proper divisors (134571).

388149 is a wasteful number, since it uses less digits than its factorization.

388149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its digits is 6912, while the sum is 33.

The square root of 388149 is about 623.0160511576. The cubic root of 388149 is about 72.9456654544.

The spelling of 388149 in words is "three hundred eighty-eight thousand, one hundred forty-nine".