384278463 has 12 divisors (see below), whose sum is σ = 561757560. Its totient is φ = 253098576.

The previous prime is 384278431. The next prime is 384278471. The reversal of 384278463 is 364872483.

It is not a de Polignac number, because 384278463 - 2⁵ = 384278431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384278473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256468 + ... + 257961.

It is an arithmetic number, because the mean of its divisors is an integer number (46813130).

Almost surely, 2^384278463 is an apocalyptic number.

384278463 is a deficient number, since it is larger than the sum of its proper divisors (177479097).

384278463 is a wasteful number, since it uses less digits than its factorization.

384278463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514518 (or 514515 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 384278463 is about 19603.0217823681. The cubic root of 384278463 is about 727.0238894209.

The spelling of 384278463 in words is "three hundred eighty-four million, two hundred seventy-eight thousand, four hundred sixty-three".