384513477 has 8 divisors (see below), whose sum is σ = 514830720. Its totient is φ = 255269280.

The previous prime is 384513473. The next prime is 384513487. The reversal of 384513477 is 774315483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384513477 - 2² = 384513473 is a prime.

It is a super-2 number, since 2×384513477² = 295701227989259058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384513473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267424 + ... + 268857.

It is an arithmetic number, because the mean of its divisors is an integer number (64353840).

Almost surely, 2^384513477 is an apocalyptic number.

It is an amenable number.

384513477 is a deficient number, since it is larger than the sum of its proper divisors (130317243).

384513477 is a wasteful number, since it uses less digits than its factorization.

384513477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536523.

The product of its digits is 282240, while the sum is 42.

The square root of 384513477 is about 19609.0151970975. The cubic root of 384513477 is about 727.1720684017.

The spelling of 384513477 in words is "three hundred eighty-four million, five hundred thirteen thousand, four hundred seventy-seven".