384616449 has 96 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 190771200.

The previous prime is 384616447. The next prime is 384616451. The reversal of 384616449 is 944616483.

It is an interprime number because it is at equal distance from previous prime (384616447) and next prime (384616451).

It is not a de Polignac number, because 384616449 - 2¹ = 384616447 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384616447) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 834079 + ... + 834539.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^384616449 is an apocalyptic number.

It is an amenable number.

384616449 is a deficient number, since it is larger than the sum of its proper divisors (341869311).

384616449 is a wasteful number, since it uses less digits than its factorization.

384616449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 384616449 is about 19611.6406503892. The cubic root of 384616449 is about 727.2369743878.

The spelling of 384616449 in words is "three hundred eighty-four million, six hundred sixteen thousand, four hundred forty-nine".