424930393 has 2 divisors, whose sum is σ = 424930394. Its totient is φ = 424930392.

The previous prime is 424930381. The next prime is 424930397. The reversal of 424930393 is 393039424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415670544 + 9259849 = 20388^2 + 3043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424930393 is a prime.

It is not a weakly prime, because it can be changed into another prime (424930397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212465196 + 212465197.

It is an arithmetic number, because the mean of its divisors is an integer number (212465197).

Almost surely, 2^424930393 is an apocalyptic number.

It is an amenable number.

424930393 is a deficient number, since it is larger than the sum of its proper divisors (1).

424930393 is an equidigital number, since it uses as much as digits as its factorization.

424930393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 424930393 is about 20613.8398412329. The cubic root of 424930393 is about 751.8062497164.

The spelling of 424930393 in words is "four hundred twenty-four million, nine hundred thirty thousand, three hundred ninety-three".