384778482 has 32 divisors (see below), whose sum is σ = 842897664. Its totient is φ = 116130000.

The previous prime is 384778453. The next prime is 384778483. The reversal of 384778482 is 284877483.

It is not an unprimeable number, because it can be changed into a prime (384778483) 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, 4953 + ... + 28179.

It is an arithmetic number, because the mean of its divisors is an integer number (26340552).

Almost surely, 2^384778482 is an apocalyptic number.

384778482 is an abundant number, since it is smaller than the sum of its proper divisors (458119182).

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

384778482 is a wasteful number, since it uses less digits than its factorization.

384778482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23494.

The product of its digits is 2408448, while the sum is 51.

The square root of 384778482 is about 19615.7712568229. The cubic root of 384778482 is about 727.3390846375.

Subtracting from 384778482 its reverse (284877483), we obtain a palindrome (99900999).

The spelling of 384778482 in words is "three hundred eighty-four million, seven hundred seventy-eight thousand, four hundred eighty-two".