384418671 has 48 divisors (see below), whose sum is σ = 679934304. Its totient is φ = 190826496.

The previous prime is 384418607. The next prime is 384418681. The reversal of 384418671 is 176814483.

It is not a de Polignac number, because 384418671 - 2⁶ = 384418607 is a prime.

It is a super-2 number, since 2×384418671² = 295555429226812482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384418681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26571 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (14165298).

Almost surely, 2^384418671 is an apocalyptic number.

384418671 is a deficient number, since it is larger than the sum of its proper divisors (295515633).

384418671 is a wasteful number, since it uses less digits than its factorization.

384418671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11880 (or 11873 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 384418671 is about 19606.5976395702. The cubic root of 384418671 is about 727.1122994157.

The spelling of 384418671 in words is "three hundred eighty-four million, four hundred eighteen thousand, six hundred seventy-one".