384664401 has 12 divisors (see below), whose sum is σ = 606138000. Its totient is φ = 233129880.

The previous prime is 384664391. The next prime is 384664409. The reversal of 384664401 is 104466483.

384664401 is a `hidden beast` number, since 3 + 8 + 4 + 6 + 644 + 0 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-384664401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384664409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942651 + ... + 1942848.

It is an arithmetic number, because the mean of its divisors is an integer number (50511500).

Almost surely, 2^384664401 is an apocalyptic number.

It is an amenable number.

384664401 is a deficient number, since it is larger than the sum of its proper divisors (221473599).

384664401 is a wasteful number, since it uses less digits than its factorization.

384664401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885516 (or 3885513 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 384664401 is about 19612.8631515136. The cubic root of 384664401 is about 727.2671958533.

The spelling of 384664401 in words is "three hundred eighty-four million, six hundred sixty-four thousand, four hundred one".