434658401 has 2 divisors, whose sum is σ = 434658402. Its totient is φ = 434658400.

The previous prime is 434658391. The next prime is 434658403. The reversal of 434658401 is 104856434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366760801 + 67897600 = 19151^2 + 8240^2 .

It is a cyclic number.

It is not a de Polignac number, because 434658401 - 2⁶ = 434658337 is a prime.

It is a Sophie Germain prime.

Together with 434658403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (434658403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217329200 + 217329201.

It is an arithmetic number, because the mean of its divisors is an integer number (217329201).

Almost surely, 2^434658401 is an apocalyptic number.

It is an amenable number.

434658401 is a deficient number, since it is larger than the sum of its proper divisors (1).

434658401 is an equidigital number, since it uses as much as digits as its factorization.

434658401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 434658401 is about 20848.4627970505. The cubic root of 434658401 is about 757.5000967951.

The spelling of 434658401 in words is "four hundred thirty-four million, six hundred fifty-eight thousand, four hundred one".