384478026 has 32 divisors (see below), whose sum is σ = 801556800. Its totient is φ = 122829696.

The previous prime is 384478021. The next prime is 384478099. The reversal of 384478026 is 620874483.

It is not an unprimeable number, because it can be changed into a prime (384478021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950 + ... + 27798.

It is an arithmetic number, because the mean of its divisors is an integer number (25048650).

Almost surely, 2^384478026 is an apocalyptic number.

384478026 is an abundant number, since it is smaller than the sum of its proper divisors (417078774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384478026 is a wasteful number, since it uses less digits than its factorization.

384478026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25958.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 384478026 is about 19608.1112297947. Note that the first 3 decimals coincide. The cubic root of 384478026 is about 727.1497200136.

The spelling of 384478026 in words is "three hundred eighty-four million, four hundred seventy-eight thousand, twenty-six".