434320493 has 2 divisors, whose sum is σ = 434320494. Its totient is φ = 434320492.

The previous prime is 434320457. The next prime is 434320499. The reversal of 434320493 is 394023434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394340164 + 39980329 = 19858^2 + 6323^2 .

It is a cyclic number.

It is not a de Polignac number, because 434320493 - 2⁶ = 434320429 is a prime.

It is equal to p_23065178 and since 434320493 and 23065178 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434320499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217160246 + 217160247.

It is an arithmetic number, because the mean of its divisors is an integer number (217160247).

Almost surely, 2^434320493 is an apocalyptic number.

It is an amenable number.

434320493 is a deficient number, since it is larger than the sum of its proper divisors (1).

434320493 is an equidigital number, since it uses as much as digits as its factorization.

434320493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 434320493 is about 20840.3573145952. The cubic root of 434320493 is about 757.3037497321.

The spelling of 434320493 in words is "four hundred thirty-four million, three hundred twenty thousand, four hundred ninety-three".