384505092 has 18 divisors (see below), whose sum is σ = 971943518. Its totient is φ = 128168352.

The previous prime is 384505091. The next prime is 384505111. The reversal of 384505092 is 290505483.

It can be written as a sum of positive squares in only one way, i.e., 312016896 + 72488196 = 17664^2 + 8514^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10680697 = 384505092 / (3 + 8 + 4 + 5 + 0 + 5 + 0 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (384505091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5340313 + ... + 5340384.

Almost surely, 2^384505092 is an apocalyptic number.

It is an amenable number.

384505092 is an abundant number, since it is smaller than the sum of its proper divisors (587438426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384505092 is a wasteful number, since it uses less digits than its factorization.

384505092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680707 (or 10680702 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 384505092 is about 19608.8013912121. The cubic root of 384505092 is about 727.1667826034.

The spelling of 384505092 in words is "three hundred eighty-four million, five hundred five thousand, ninety-two".