393324169 has 4 divisors (see below), whose sum is σ = 449513344. Its totient is φ = 337134996.

The previous prime is 393324161. The next prime is 393324181. The reversal of 393324169 is 961423393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 393324169 - 2³ = 393324161 is a prime.

It is a super-2 number, since 2×393324169² = 309407803839081122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (393324161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28094577 + ... + 28094590.

It is an arithmetic number, because the mean of its divisors is an integer number (112378336).

Almost surely, 2^393324169 is an apocalyptic number.

It is an amenable number.

393324169 is a deficient number, since it is larger than the sum of its proper divisors (56189175).

393324169 is an equidigital number, since it uses as much as digits as its factorization.

393324169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56189174.

The product of its digits is 104976, while the sum is 40.

The square root of 393324169 is about 19832.4019977410. The cubic root of 393324169 is about 732.6842871322.

The spelling of 393324169 in words is "three hundred ninety-three million, three hundred twenty-four thousand, one hundred sixty-nine".