384398408 has 16 divisors (see below), whose sum is σ = 721405680. Its totient is φ = 192023568.

The previous prime is 384398359. The next prime is 384398423. The reversal of 384398408 is 804893483.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12410 + ... + 30377.

It is an arithmetic number, because the mean of its divisors is an integer number (45087855).

Almost surely, 2^384398408 is an apocalyptic number.

It is an amenable number.

384398408 is a deficient number, since it is larger than the sum of its proper divisors (337007272).

384398408 is a wasteful number, since it uses less digits than its factorization.

384398408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43916 (or 43912 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 384398408 is about 19606.0808934371. The cubic root of 384398408 is about 727.0995236441.

The spelling of 384398408 in words is "three hundred eighty-four million, three hundred ninety-eight thousand, four hundred eight".