393024249 has 12 divisors (see below), whose sum is σ = 583045476. Its totient is φ = 254934432.

The previous prime is 393024221. The next prime is 393024251. The reversal of 393024249 is 942420393.

393024249 is a `hidden beast` number, since 393 + 0 + 24 + 249 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 211179024 + 181845225 = 14532^2 + 13485^2 .

It is not a de Polignac number, because 393024249 - 2⁵ = 393024217 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (393024209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589794 + ... + 590459.

It is an arithmetic number, because the mean of its divisors is an integer number (48587123).

Almost surely, 2^393024249 is an apocalyptic number.

It is an amenable number.

393024249 is a deficient number, since it is larger than the sum of its proper divisors (190021227).

393024249 is a wasteful number, since it uses less digits than its factorization.

393024249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180296 (or 1180293 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 393024249 is about 19824.8391922860. The cubic root of 393024249 is about 732.4980094453.

The spelling of 393024249 in words is "three hundred ninety-three million, twenty-four thousand, two hundred forty-nine".