388102282 has 8 divisors (see below), whose sum is σ = 616397796. Its totient is φ = 182636352.

The previous prime is 388102279. The next prime is 388102289. The reversal of 388102282 is 282201883.

It can be written as a sum of positive squares in 2 ways, for example, as 356416641 + 31685641 = 18879^2 + 5629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 11414773 = 388102282 / (3 + 8 + 8 + 1 + 0 + 2 + 2 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (388102289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5707353 + ... + 5707420.

Almost surely, 2^388102282 is an apocalyptic number.

388102282 is a deficient number, since it is larger than the sum of its proper divisors (228295514).

388102282 is a wasteful number, since it uses less digits than its factorization.

388102282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414792.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 388102282 is about 19700.3117234220. The cubic root of 388102282 is about 729.4273873266.

The spelling of 388102282 in words is "three hundred eighty-eight million, one hundred two thousand, two hundred eighty-two".