384626133 has 18 divisors (see below), whose sum is σ = 565193174. Its totient is φ = 252050832.

The previous prime is 384626131. The next prime is 384626147. The reversal of 384626133 is 331626483.

384626133 is a `hidden beast` number, since 38 + 4 + 6 + 2 + 613 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 248157009 + 136469124 = 15753^2 + 11682^2 .

It is not a de Polignac number, because 384626133 - 2¹ = 384626131 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384626131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25191 + ... + 37467.

Almost surely, 2^384626133 is an apocalyptic number.

It is an amenable number.

384626133 is a deficient number, since it is larger than the sum of its proper divisors (180567041).

384626133 is a wasteful number, since it uses less digits than its factorization.

384626133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401 (or 12339 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 384626133 is about 19611.8875430184. The cubic root of 384626133 is about 727.2430778741.

The spelling of 384626133 in words is "three hundred eighty-four million, six hundred twenty-six thousand, one hundred thirty-three".