388471 has 2 divisors, whose sum is σ = 388472. Its totient is φ = 388470.

The previous prime is 388459. The next prime is 388477. The reversal of 388471 is 174883.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 388471 - 2¹⁷ = 257399 is a prime.

It is a super-3 number, since 3×388471³ = 175872146998233333, which contains 333 as substring.

It is a Chen prime.

388471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194235 + 194236.

It is an arithmetic number, because the mean of its divisors is an integer number (194236).

2³⁸⁸⁴⁷¹ is an apocalyptic number.

388471 is a deficient number, since it is larger than the sum of its proper divisors (1).

388471 is an equidigital number, since it uses as much as digits as its factorization.

388471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 388471 is about 623.2744178931. The cubic root of 388471 is about 72.9658312602.

The spelling of 388471 in words is "three hundred eighty-eight thousand, four hundred seventy-one".