434431001 has 4 divisors (see below), whose sum is σ = 436121652. Its totient is φ = 432740352.

The previous prime is 434430989. The next prime is 434431003. The reversal of 434431001 is 100134434.

It is a happy number.

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 358723600 + 75707401 = 18940^2 + 8701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434431001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434431003) 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, 844940 + ... + 845453.

It is an arithmetic number, because the mean of its divisors is an integer number (109030413).

Almost surely, 2^434431001 is an apocalyptic number.

It is an amenable number.

434431001 is a deficient number, since it is larger than the sum of its proper divisors (1690651).

434431001 is a wasteful number, since it uses less digits than its factorization.

434431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690650.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 434431001 is about 20843.0084440802. The cubic root of 434431001 is about 757.3679734465.

Adding to 434431001 its reverse (100134434), we get a palindrome (534565435).

It can be divided in two parts, 43443 and 1001, that added together give a palindrome (44444).

The spelling of 434431001 in words is "four hundred thirty-four million, four hundred thirty-one thousand, one".