384534975 has 36 divisors (see below), whose sum is σ = 698832008. Its totient is φ = 186436800.

The previous prime is 384534967. The next prime is 384535003. The reversal of 384534975 is 579435483.

It is not a de Polignac number, because 384534975 - 2³ = 384534967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12112 + ... + 30261.

Almost surely, 2^384534975 is an apocalyptic number.

384534975 is a deficient number, since it is larger than the sum of its proper divisors (314297033).

384534975 is a wasteful number, since it uses less digits than its factorization.

384534975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42408 (or 42392 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 384534975 is about 19609.5633556691. The cubic root of 384534975 is about 727.1856201190.

The spelling of 384534975 in words is "three hundred eighty-four million, five hundred thirty-four thousand, nine hundred seventy-five".