424330393 has 4 divisors (see below), whose sum is σ = 435798820. Its totient is φ = 412861968.

The previous prime is 424330367. The next prime is 424330397. The reversal of 424330393 is 393033424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 285373449 + 138956944 = 16893^2 + 11788^2 .

It is a cyclic number.

It is not a de Polignac number, because 424330393 - 2¹³ = 424322201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424330397) 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 3 ways as a sum of consecutive naturals, for example, 5734158 + ... + 5734231.

It is an arithmetic number, because the mean of its divisors is an integer number (108949705).

Almost surely, 2^424330393 is an apocalyptic number.

It is an amenable number.

424330393 is a deficient number, since it is larger than the sum of its proper divisors (11468427).

424330393 is a wasteful number, since it uses less digits than its factorization.

424330393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11468426.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 424330393 is about 20599.2813709605. The cubic root of 424330393 is about 751.4522339110.

The spelling of 424330393 in words is "four hundred twenty-four million, three hundred thirty thousand, three hundred ninety-three".