388885325 has 6 divisors (see below), whose sum is σ = 482217834. Its totient is φ = 311108240.

The previous prime is 388885313. The next prime is 388885333. The reversal of 388885325 is 523588883.

It can be written as a sum of positive squares in 3 ways, for example, as 11710084 + 377175241 = 3422^2 + 19421^2 .

It is not a de Polignac number, because 388885325 - 2⁶ = 388885261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7777682 + ... + 7777731.

It is an arithmetic number, because the mean of its divisors is an integer number (80369639).

Almost surely, 2^388885325 is an apocalyptic number.

It is an amenable number.

388885325 is a deficient number, since it is larger than the sum of its proper divisors (93332509).

388885325 is a wasteful number, since it uses less digits than its factorization.

388885325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555423 (or 15555418 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 388885325 is about 19720.1755823826. The cubic root of 388885325 is about 729.9176269098.

The spelling of 388885325 in words is "three hundred eighty-eight million, eight hundred eighty-five thousand, three hundred twenty-five".