388250 has 16 divisors (see below), whose sum is σ = 727272. Its totient is φ = 155200.

The previous prime is 388237. The next prime is 388253. The reversal of 388250 is 52883.

It can be written as a sum of positive squares in 4 ways, for example, as 43681 + 344569 = 209^2 + 587^2 .

It is an Ulam number.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (388253) 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, 527 + ... + 1026.

2³⁸⁸²⁵⁰ is an apocalyptic number.

388250 is a deficient number, since it is larger than the sum of its proper divisors (339022).

388250 is a wasteful number, since it uses less digits than its factorization.

388250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 388250 is about 623.0971031870. The cubic root of 388250 is about 72.9519919538.

The spelling of 388250 in words is "three hundred eighty-eight thousand, two hundred fifty".