393224093 has 6 divisors (see below), whose sum is σ = 417715866. Its totient is φ = 370092992.

The previous prime is 393224089. The next prime is 393224107. The reversal of 393224093 is 390422393.

It can be written as a sum of positive squares in 3 ways, for example, as 137288089 + 255936004 = 11717^2 + 15998^2 .

It is not a de Polignac number, because 393224093 - 2² = 393224089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393224003) 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 5 ways as a sum of consecutive naturals, for example, 680030 + ... + 680607.

It is an arithmetic number, because the mean of its divisors is an integer number (69619311).

Almost surely, 2^393224093 is an apocalyptic number.

It is an amenable number.

393224093 is a deficient number, since it is larger than the sum of its proper divisors (24491773).

393224093 is a wasteful number, since it uses less digits than its factorization.

393224093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360671 (or 1360654 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 393224093 is about 19829.8787943850. The cubic root of 393224093 is about 732.6221413348.

The spelling of 393224093 in words is "three hundred ninety-three million, two hundred twenty-four thousand, ninety-three".