388047213 has 16 divisors (see below), whose sum is σ = 576273600. Its totient is φ = 258073200.

The previous prime is 388047197. The next prime is 388047221. The reversal of 388047213 is 312740883.

It is not a de Polignac number, because 388047213 - 2⁴ = 388047197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388047223) 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 15 ways as a sum of consecutive naturals, for example, 5838 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (36017100).

Almost surely, 2^388047213 is an apocalyptic number.

It is an amenable number.

388047213 is a deficient number, since it is larger than the sum of its proper divisors (188226387).

388047213 is a wasteful number, since it uses less digits than its factorization.

388047213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34729 (or 34723 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 388047213 is about 19698.9140055994. The cubic root of 388047213 is about 729.3928854794.

The spelling of 388047213 in words is "three hundred eighty-eight million, forty-seven thousand, two hundred thirteen".