384166769 has 16 divisors (see below), whose sum is σ = 461507328. Its totient is φ = 312652032.

The previous prime is 384166709. The next prime is 384166771. The reversal of 384166769 is 967661483.

It is not a de Polignac number, because 384166769 - 2²⁰ = 383118193 is a prime.

It is a super-2 number, since 2×384166769² = 295168212807798722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (384166709) 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, 13349 + ... + 30765.

It is an arithmetic number, because the mean of its divisors is an integer number (28844208).

Almost surely, 2^384166769 is an apocalyptic number.

It is an amenable number.

384166769 is a deficient number, since it is larger than the sum of its proper divisors (77340559).

384166769 is a wasteful number, since it uses less digits than its factorization.

384166769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584.

The product of its digits is 1306368, while the sum is 50.

The square root of 384166769 is about 19600.1726778108. The cubic root of 384166769 is about 726.9534439125.

The spelling of 384166769 in words is "three hundred eighty-four million, one hundred sixty-six thousand, seven hundred sixty-nine".