384513331 has 8 divisors (see below), whose sum is σ = 386760528. Its totient is φ = 382272000.

The previous prime is 384513307. The next prime is 384513341. The reversal of 384513331 is 133315483.

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

It is a cyclic number.

It is not a de Polignac number, because 384513331 - 2⁹ = 384512819 is a prime.

It is a super-2 number, since 2×384513331² = 295701003433431122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384513293 and 384513302.

It is not an unprimeable number, because it can be changed into a prime (384513341) 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, 211416 + ... + 213226.

It is an arithmetic number, because the mean of its divisors is an integer number (48345066).

Almost surely, 2^384513331 is an apocalyptic number.

384513331 is a deficient number, since it is larger than the sum of its proper divisors (2247197).

384513331 is a wasteful number, since it uses less digits than its factorization.

384513331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its digits is 12960, while the sum is 31.

The square root of 384513331 is about 19609.0114743197. The cubic root of 384513331 is about 727.1719763658.

The spelling of 384513331 in words is "three hundred eighty-four million, five hundred thirteen thousand, three hundred thirty-one".