434728867 has 2 divisors, whose sum is σ = 434728868. Its totient is φ = 434728866.

The previous prime is 434728859. The next prime is 434728939. The reversal of 434728867 is 768827434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434728867 - 2³ = 434728859 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434728867.

It is not a weakly prime, because it can be changed into another prime (434725867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217364433 + 217364434.

It is an arithmetic number, because the mean of its divisors is an integer number (217364434).

Almost surely, 2^434728867 is an apocalyptic number.

434728867 is a deficient number, since it is larger than the sum of its proper divisors (1).

434728867 is an equidigital number, since it uses as much as digits as its factorization.

434728867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 49.

The square root of 434728867 is about 20850.1526852923. The cubic root of 434728867 is about 757.5410294121.

The spelling of 434728867 in words is "four hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred sixty-seven".