388625 has 8 divisors (see below), whose sum is σ = 485160. Its totient is φ = 310800.

The previous prime is 388621. The next prime is 388651. The reversal of 388625 is 526883.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 332929 = 236^2 + 577^2 .

It is not a de Polignac number, because 388625 - 2² = 388621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 388591 and 388600.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388625.

It is not an unprimeable number, because it can be changed into a prime (388621) 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, 1430 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (60645).

2³⁸⁸⁶²⁵ is an apocalyptic number.

It is an amenable number.

388625 is a deficient number, since it is larger than the sum of its proper divisors (96535).

388625 is an equidigital number, since it uses as much as digits as its factorization.

388625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3114 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 388625 is about 623.3979467403. The cubic root of 388625 is about 72.9754718370.

The spelling of 388625 in words is "three hundred eighty-eight thousand, six hundred twenty-five".