384944427 has 32 divisors (see below), whose sum is σ = 686067200. Its totient is φ = 208389024.

The previous prime is 384944423. The next prime is 384944507. The reversal of 384944427 is 724449483.

It is not a de Polignac number, because 384944427 - 2² = 384944423 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (384944423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50008 + ... + 57189.

It is an arithmetic number, because the mean of its divisors is an integer number (21439600).

Almost surely, 2^384944427 is an apocalyptic number.

384944427 is a deficient number, since it is larger than the sum of its proper divisors (301122773).

384944427 is a wasteful number, since it uses less digits than its factorization.

384944427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107232 (or 107226 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 384944427 is about 19620.0006880734. Note that the first 3 decimals coincide. The cubic root of 384944427 is about 727.4436304501.

The spelling of 384944427 in words is "three hundred eighty-four million, nine hundred forty-four thousand, four hundred twenty-seven".