384242475 has 24 divisors (see below), whose sum is σ = 636616000. Its totient is φ = 204498720.

The previous prime is 384242473. The next prime is 384242479. The reversal of 384242475 is 574242483.

It is a happy number.

It is not a de Polignac number, because 384242475 - 2¹ = 384242473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384242473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32292 + ... + 42558.

Almost surely, 2^384242475 is an apocalyptic number.

384242475 is a deficient number, since it is larger than the sum of its proper divisors (252373525).

384242475 is a wasteful number, since it uses less digits than its factorization.

384242475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10779 (or 10774 counting only the distinct ones).

The product of its digits is 215040, while the sum is 39.

The square root of 384242475 is about 19602.1038411697. The cubic root of 384242475 is about 727.0011932470.

The spelling of 384242475 in words is "three hundred eighty-four million, two hundred forty-two thousand, four hundred seventy-five".