384330831 has 8 divisors (see below), whose sum is σ = 513720624. Its totient is φ = 255580800.

The previous prime is 384330811. The next prime is 384330857. The reversal of 384330831 is 138033483.

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

It is not a de Polignac number, because 384330831 - 2⁶ = 384330767 is a prime.

It is a super-2 number, since 2×384330831² = 295420375314301122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384330792 and 384330801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384330811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158536 + ... + 160941.

It is an arithmetic number, because the mean of its divisors is an integer number (64215078).

Almost surely, 2^384330831 is an apocalyptic number.

384330831 is a deficient number, since it is larger than the sum of its proper divisors (129389793).

384330831 is a wasteful number, since it uses less digits than its factorization.

384330831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319881.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 384330831 is about 19604.3574493019. The cubic root of 384330831 is about 727.0569132664.

The spelling of 384330831 in words is "three hundred eighty-four million, three hundred thirty thousand, eight hundred thirty-one".