384471229 has 6 divisors (see below), whose sum is σ = 386039354. Its totient is φ = 382909440.

The previous prime is 384471211. The next prime is 384471239. The reversal of 384471229 is 922174483.

It can be written as a sum of positive squares in 3 ways, for example, as 348830329 + 35640900 = 18677^2 + 5970^2 .

It is not a de Polignac number, because 384471229 - 2¹⁷ = 384340157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384471191 and 384471200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384471239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63139 + ... + 68959.

Almost surely, 2^384471229 is an apocalyptic number.

It is an amenable number.

384471229 is a deficient number, since it is larger than the sum of its proper divisors (1568125).

384471229 is an frugal number, since it uses more digits than its factorization.

384471229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335 (or 6078 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 384471229 is about 19607.9379078984. The cubic root of 384471229 is about 727.1454350129.

The spelling of 384471229 in words is "three hundred eighty-four million, four hundred seventy-one thousand, two hundred twenty-nine".