384459489 has 24 divisors (see below), whose sum is σ = 588753152. Its totient is φ = 241328160.

The previous prime is 384459473. The next prime is 384459521. The reversal of 384459489 is 984954483.

384459489 is a `hidden beast` number, since 3 + 8 + 44 + 594 + 8 + 9 = 666.

It is not a de Polignac number, because 384459489 - 2⁴ = 384459473 is a prime.

It is a super-2 number, since 2×384459489² = 295618197364282242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384459469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8299 + ... + 28944.

Almost surely, 2^384459489 is an apocalyptic number.

It is an amenable number.

384459489 is a deficient number, since it is larger than the sum of its proper divisors (204293663).

384459489 is a wasteful number, since it uses less digits than its factorization.

384459489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37317 (or 37314 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 384459489 is about 19607.6385370600. The cubic root of 384459489 is about 727.1380337012.

The spelling of 384459489 in words is "three hundred eighty-four million, four hundred fifty-nine thousand, four hundred eighty-nine".