384769253 has 16 divisors (see below), whose sum is σ = 432003456. Its totient is φ = 339618240.

The previous prime is 384769249. The next prime is 384769321. The reversal of 384769253 is 352967483.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 384769253 - 2² = 384769249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384769198 and 384769207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384769223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314000 + ... + 315222.

It is an arithmetic number, because the mean of its divisors is an integer number (27000216).

Almost surely, 2^384769253 is an apocalyptic number.

It is an amenable number.

384769253 is a deficient number, since it is larger than the sum of its proper divisors (47234203).

384769253 is a wasteful number, since it uses less digits than its factorization.

384769253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044.

The product of its digits is 1088640, while the sum is 47.

The square root of 384769253 is about 19615.5360110296. The cubic root of 384769253 is about 727.3332694595. Note that the first 3 decimals are identical.

The spelling of 384769253 in words is "three hundred eighty-four million, seven hundred sixty-nine thousand, two hundred fifty-three".