384425931 has 8 divisors (see below), whose sum is σ = 512676864. Its totient is φ = 256229480.

The previous prime is 384425927. The next prime is 384425941. The reversal of 384425931 is 139524483.

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 384425931 - 2² = 384425927 is a prime.

It is a super-2 number, since 2×384425931² = 295566592850433522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 384425931.

It is not an unprimeable number, because it can be changed into a prime (384425941) 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, 7546 + ... + 28736.

It is an arithmetic number, because the mean of its divisors is an integer number (64084608).

Almost surely, 2^384425931 is an apocalyptic number.

384425931 is a deficient number, since it is larger than the sum of its proper divisors (128250933).

384425931 is a wasteful number, since it uses less digits than its factorization.

384425931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27241.

The product of its digits is 103680, while the sum is 39.

The square root of 384425931 is about 19606.7827804564. The cubic root of 384425931 is about 727.1168767186.

The spelling of 384425931 in words is "three hundred eighty-four million, four hundred twenty-five thousand, nine hundred thirty-one".