384888406 has 32 divisors (see below), whose sum is σ = 693794880. Its totient is φ = 156643200.

The previous prime is 384888397. The next prime is 384888409. The reversal of 384888406 is 604888483.

It is a self number, because there is not a number n which added to its sum of digits gives 384888406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384888409) 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 15 ways as a sum of consecutive naturals, for example, 16996 + ... + 32536.

It is an arithmetic number, because the mean of its divisors is an integer number (21681090).

Almost surely, 2^384888406 is an apocalyptic number.

384888406 is a deficient number, since it is larger than the sum of its proper divisors (308906474).

384888406 is a wasteful number, since it uses less digits than its factorization.

384888406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15640.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The square root of 384888406 is about 19618.5729858214. The cubic root of 384888406 is about 727.4083404240.

The spelling of 384888406 in words is "three hundred eighty-four million, eight hundred eighty-eight thousand, four hundred six".