388198342 has 16 divisors (see below), whose sum is σ = 669952800. Its totient is φ = 165253248.

The previous prime is 388198313. The next prime is 388198351. The reversal of 388198342 is 243891883.

It is a junction number, because it is equal to n+sod(n) for n = 388198292 and 388198301.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 90963 + ... + 95134.

It is an arithmetic number, because the mean of its divisors is an integer number (41872050).

Almost surely, 2^388198342 is an apocalyptic number.

388198342 is a deficient number, since it is larger than the sum of its proper divisors (281754458).

388198342 is a wasteful number, since it uses less digits than its factorization.

388198342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186255.

The product of its digits is 331776, while the sum is 46.

The square root of 388198342 is about 19702.7496050678. The cubic root of 388198342 is about 729.4875630568.

The spelling of 388198342 in words is "three hundred eighty-eight million, one hundred ninety-eight thousand, three hundred forty-two".