388196113 has 4 divisors (see below), whose sum is σ = 388270260. Its totient is φ = 388121968.

The previous prime is 388196051. The next prime is 388196129. The reversal of 388196113 is 311691883.

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

It can be written as a sum of positive squares in 2 ways, for example, as 182331009 + 205865104 = 13503^2 + 14348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388196113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388196713) 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, 28570 + ... + 39907.

It is an arithmetic number, because the mean of its divisors is an integer number (97067565).

Almost surely, 2^388196113 is an apocalyptic number.

It is an amenable number.

388196113 is a deficient number, since it is larger than the sum of its proper divisors (74147).

388196113 is an equidigital number, since it uses as much as digits as its factorization.

388196113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74146.

The product of its digits is 31104, while the sum is 40.

The square root of 388196113 is about 19702.6930392777. The cubic root of 388196113 is about 729.4861668368.

The spelling of 388196113 in words is "three hundred eighty-eight million, one hundred ninety-six thousand, one hundred thirteen".