434445311 has 4 divisors (see below), whose sum is σ = 434584152. Its totient is φ = 434306472.

The previous prime is 434445301. The next prime is 434445313. The reversal of 434445311 is 113544434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 434445311 - 2⁶ = 434445247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434445313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64616 + ... + 71021.

It is an arithmetic number, because the mean of its divisors is an integer number (108646038).

Almost surely, 2^434445311 is an apocalyptic number.

434445311 is a deficient number, since it is larger than the sum of its proper divisors (138841).

434445311 is a wasteful number, since it uses less digits than its factorization.

434445311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138840.

The product of its digits is 11520, while the sum is 29.

The square root of 434445311 is about 20843.3517218321. The cubic root of 434445311 is about 757.3762891642.

Adding to 434445311 its reverse (113544434), we get a palindrome (547989745).

The spelling of 434445311 in words is "four hundred thirty-four million, four hundred forty-five thousand, three hundred eleven".