384263243 has 30 divisors (see below), whose sum is σ = 485928684. Its totient is φ = 303711408.

The previous prime is 384263237. The next prime is 384263261. The reversal of 384263243 is 342362483.

It is a happy number.

It is not a de Polignac number, because 384263243 - 2⁴ = 384263227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384263213) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 405296 + ... + 406242.

Almost surely, 2^384263243 is an apocalyptic number.

384263243 is a deficient number, since it is larger than the sum of its proper divisors (101665441).

384263243 is an frugal number, since it uses more digits than its factorization.

384263243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 967 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 384263243 is about 19602.6335730687. The cubic root of 384263243 is about 727.0142909563.

The spelling of 384263243 in words is "three hundred eighty-four million, two hundred sixty-three thousand, two hundred forty-three".