388272884 has 6 divisors (see below), whose sum is σ = 679477554. Its totient is φ = 194136440.

The previous prime is 388272823. The next prime is 388272889. The reversal of 388272884 is 488272883.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 379392484 + 8880400 = 19478^2 + 2980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388272889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48534107 + ... + 48534114.

It is an arithmetic number, because the mean of its divisors is an integer number (113246259).

Almost surely, 2^388272884 is an apocalyptic number.

It is an amenable number.

388272884 is a deficient number, since it is larger than the sum of its proper divisors (291204670).

388272884 is a wasteful number, since it uses less digits than its factorization.

388272884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97068225 (or 97068223 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 50.

The square root of 388272884 is about 19704.6411791740. The cubic root of 388272884 is about 729.5342522325.

Subtracting 388272884 from its reverse (488272883), we obtain a palindrome (99999999).

The spelling of 388272884 in words is "three hundred eighty-eight million, two hundred seventy-two thousand, eight hundred eighty-four".