388500427 has 16 divisors (see below), whose sum is σ = 457920000. Its totient is φ = 322721280.

The previous prime is 388500403. The next prime is 388500491. The reversal of 388500427 is 724005883.

It is not a de Polignac number, because 388500427 - 2¹⁹ = 387976139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388500527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22699 + ... + 35947.

It is an arithmetic number, because the mean of its divisors is an integer number (28620000).

Almost surely, 2^388500427 is an apocalyptic number.

388500427 is a deficient number, since it is larger than the sum of its proper divisors (69419573).

388500427 is a wasteful number, since it uses less digits than its factorization.

388500427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13386.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 388500427 is about 19710.4141762673. The cubic root of 388500427 is about 729.6767362106.

The spelling of 388500427 in words is "three hundred eighty-eight million, five hundred thousand, four hundred twenty-seven".