400103471 has 2 divisors, whose sum is σ = 400103472. Its totient is φ = 400103470.

The previous prime is 400103441. The next prime is 400103477. The reversal of 400103471 is 174301004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400103471 - 2¹⁰ = 400102447 is a prime.

It is a super-3 number, since 3×400103471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400103477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200051735 + 200051736.

It is an arithmetic number, because the mean of its divisors is an integer number (200051736).

Almost surely, 2^400103471 is an apocalyptic number.

400103471 is a deficient number, since it is larger than the sum of its proper divisors (1).

400103471 is an equidigital number, since it uses as much as digits as its factorization.

400103471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 400103471 is about 20002.5866077365. The cubic root of 400103471 is about 736.8698259880.

Adding to 400103471 its reverse (174301004), we get a palindrome (574404475).

The spelling of 400103471 in words is "four hundred million, one hundred three thousand, four hundred seventy-one".