388825 has 12 divisors (see below), whose sum is σ = 490048. Its totient is φ = 306000.

The previous prime is 388823. The next prime is 388837. The reversal of 388825 is 528883.

388825 = T₆₂ + T₆₃ + ... + T₁₃₆.

It is a happy number.

It is not a de Polignac number, because 388825 - 2¹ = 388823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2500 + ... + 2650.

2³⁸⁸⁸²⁵ is an apocalyptic number.

It is an amenable number.

388825 is a deficient number, since it is larger than the sum of its proper divisors (101223).

388825 is a wasteful number, since it uses less digits than its factorization.

388825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 259 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 388825 is about 623.5583372869. The cubic root of 388825 is about 72.9879882657.

The spelling of 388825 in words is "three hundred eighty-eight thousand, eight hundred twenty-five".