434107657 has 2 divisors, whose sum is σ = 434107658. Its totient is φ = 434107656.

The previous prime is 434107603. The next prime is 434107691. The reversal of 434107657 is 756701434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346853376 + 87254281 = 18624^2 + 9341^2 .

It is a cyclic number.

It is not a de Polignac number, because 434107657 - 2¹⁹ = 433583369 is a prime.

It is not a weakly prime, because it can be changed into another prime (434107697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217053828 + 217053829.

It is an arithmetic number, because the mean of its divisors is an integer number (217053829).

Almost surely, 2^434107657 is an apocalyptic number.

It is an amenable number.

434107657 is a deficient number, since it is larger than the sum of its proper divisors (1).

434107657 is an equidigital number, since it uses as much as digits as its factorization.

434107657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 434107657 is about 20835.2503464681. The cubic root of 434107657 is about 757.1800255550.

The spelling of 434107657 in words is "four hundred thirty-four million, one hundred seven thousand, six hundred fifty-seven".