388704471 has 8 divisors (see below), whose sum is σ = 518778480. Its totient is φ = 258883392.

The previous prime is 388704469. The next prime is 388704497. The reversal of 388704471 is 174407883.

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

It is not a de Polignac number, because 388704471 - 2¹ = 388704469 is a prime.

It is a super-3 number, since 3×388704471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388704401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59616 + ... + 65813.

It is an arithmetic number, because the mean of its divisors is an integer number (64847310).

Almost surely, 2^388704471 is an apocalyptic number.

388704471 is a deficient number, since it is larger than the sum of its proper divisors (130074009).

388704471 is a wasteful number, since it uses less digits than its factorization.

388704471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126465.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 388704471 is about 19715.5895422886. The cubic root of 388704471 is about 729.8044581656.

The spelling of 388704471 in words is "three hundred eighty-eight million, seven hundred four thousand, four hundred seventy-one".