384290853 has 4 divisors (see below), whose sum is σ = 512387808. Its totient is φ = 256193900.

The previous prime is 384290833. The next prime is 384290869. The reversal of 384290853 is 358092483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 384290853 - 2⁸ = 384290597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384290813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64048473 + ... + 64048478.

It is an arithmetic number, because the mean of its divisors is an integer number (128096952).

Almost surely, 2^384290853 is an apocalyptic number.

It is an amenable number.

384290853 is a deficient number, since it is larger than the sum of its proper divisors (128096955).

384290853 is a wasteful number, since it uses less digits than its factorization.

384290853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128096954.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 384290853 is about 19603.3378025274. The cubic root of 384290853 is about 727.0317029642.

The spelling of 384290853 in words is "three hundred eighty-four million, two hundred ninety thousand, eight hundred fifty-three".