388013266 has 8 divisors (see below), whose sum is σ = 607325184. Its totient is φ = 185571540.

The previous prime is 388013261. The next prime is 388013279. The reversal of 388013266 is 662310883.

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

It is not an unprimeable number, because it can be changed into a prime (388013261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217490 + ... + 4217581.

It is an arithmetic number, because the mean of its divisors is an integer number (75915648).

Almost surely, 2^388013266 is an apocalyptic number.

388013266 is a deficient number, since it is larger than the sum of its proper divisors (219311918).

388013266 is a wasteful number, since it uses less digits than its factorization.

388013266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435096.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 388013266 is about 19698.0523402696. The cubic root of 388013266 is about 729.3716153680.

The spelling of 388013266 in words is "three hundred eighty-eight million, thirteen thousand, two hundred sixty-six".