434434505 has 4 divisors (see below), whose sum is σ = 521321412. Its totient is φ = 347547600.

The previous prime is 434434463. The next prime is 434434519. The reversal of 434434505 is 505434434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242362624 + 192071881 = 15568^2 + 13859^2 .

It is not a de Polignac number, because 434434505 - 2¹⁰ = 434433481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43443446 + ... + 43443455.

It is an arithmetic number, because the mean of its divisors is an integer number (130330353).

Almost surely, 2^434434505 is an apocalyptic number.

It is an amenable number.

434434505 is a deficient number, since it is larger than the sum of its proper divisors (86886907).

434434505 is an equidigital number, since it uses as much as digits as its factorization.

434434505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86886906.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 434434505 is about 20843.0925008742. The cubic root of 434434505 is about 757.3700096811.

Adding to 434434505 its reverse (505434434), we get a palindrome (939868939).

The spelling of 434434505 in words is "four hundred thirty-four million, four hundred thirty-four thousand, five hundred five".