434001331 has 4 divisors (see below), whose sum is σ = 436875664. Its totient is φ = 431127000.

The previous prime is 434001319. The next prime is 434001349. The reversal of 434001331 is 133100434.

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 434001331 - 2¹⁷ = 433870259 is a prime.

It is a super-2 number, since 2×434001331² = 376714310619543122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434001299 and 434001308.

It is not an unprimeable number, because it can be changed into a prime (434001391) 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, 1436940 + ... + 1437241.

It is an arithmetic number, because the mean of its divisors is an integer number (109218916).

Almost surely, 2^434001331 is an apocalyptic number.

434001331 is a deficient number, since it is larger than the sum of its proper divisors (2874333).

434001331 is a wasteful number, since it uses less digits than its factorization.

434001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874332.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 434001331 is about 20832.6986009974. The cubic root of 434001331 is about 757.1182017993.

Adding to 434001331 its reverse (133100434), we get a palindrome (567101765).

The spelling of 434001331 in words is "four hundred thirty-four million, one thousand, three hundred thirty-one".