388047 has 12 divisors (see below), whose sum is σ = 569240. Its totient is φ = 234960.

The previous prime is 388009. The next prime is 388051. The reversal of 388047 is 740883.

It is not a de Polignac number, because 388047 - 2⁸ = 387791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388047.

It is not an unprimeable number, because it can be changed into a prime (388057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172 + ... + 897.

2³⁸⁸⁰⁴⁷ is an apocalyptic number.

388047 is a deficient number, since it is larger than the sum of its proper divisors (181193).

388047 is a wasteful number, since it uses less digits than its factorization.

388047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 388047 is about 622.9341859298. The cubic root of 388047 is about 72.9392752024.

Subtracting 388047 from its reverse (740883), we obtain a square (352836 = 594²).

The spelling of 388047 in words is "three hundred eighty-eight thousand, forty-seven".