434120818 has 8 divisors (see below), whose sum is σ = 658498140. Its totient is φ = 214621440.

The previous prime is 434120809. The next prime is 434120839. The reversal of 434120818 is 818021434.

It can be written as a sum of positive squares in 2 ways, for example, as 434013889 + 106929 = 20833^2 + 327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 434120818.

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, 1219263 + ... + 1219618.

Almost surely, 2^434120818 is an apocalyptic number.

434120818 is a deficient number, since it is larger than the sum of its proper divisors (224377322).

434120818 is a wasteful number, since it uses less digits than its factorization.

434120818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438972.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 434120818 is about 20835.5661790123. The cubic root of 434120818 is about 757.1876773786.

The spelling of 434120818 in words is "four hundred thirty-four million, one hundred twenty thousand, eight hundred eighteen".