388364398 has 4 divisors (see below), whose sum is σ = 582546600. Its totient is φ = 194182198.

The previous prime is 388364393. The next prime is 388364411. The reversal of 388364398 is 893463883.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388364393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97091098 + ... + 97091101.

It is an arithmetic number, because the mean of its divisors is an integer number (145636650).

Almost surely, 2^388364398 is an apocalyptic number.

388364398 is a deficient number, since it is larger than the sum of its proper divisors (194182202).

388364398 is a wasteful number, since it uses less digits than its factorization.

388364398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194182201.

The product of its digits is 2985984, while the sum is 52.

The square root of 388364398 is about 19706.9631856357. The cubic root of 388364398 is about 729.5915636027.

It can be divided in two parts, 38836 and 4398, that added together give a palindrome (43234).

The spelling of 388364398 in words is "three hundred eighty-eight million, three hundred sixty-four thousand, three hundred ninety-eight".