384888474 has 24 divisors (see below), whose sum is σ = 844484160. Its totient is φ = 126671688.

The previous prime is 384888473. The next prime is 384888533. The reversal of 384888474 is 474888483.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 384888474.

It is not an unprimeable number, because it can be changed into a prime (384888473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133912 + ... + 136755.

It is an arithmetic number, because the mean of its divisors is an integer number (35186840).

Almost surely, 2^384888474 is an apocalyptic number.

384888474 is an abundant number, since it is smaller than the sum of its proper divisors (459595686).

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

384888474 is a wasteful number, since it uses less digits than its factorization.

384888474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270754 (or 270751 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 54.

The square root of 384888474 is about 19618.5747188729. The cubic root of 384888474 is about 727.4083832622.

Subtracting 384888474 from its reverse (474888483), we obtain a palindrome (90000009).

The spelling of 384888474 in words is "three hundred eighty-four million, eight hundred eighty-eight thousand, four hundred seventy-four".