434403431 has 24 divisors (see below), whose sum is σ = 577815840. Its totient is φ = 318574080.

The previous prime is 434403419. The next prime is 434403433. The reversal of 434403431 is 134304434.

It is not a de Polignac number, because 434403431 - 2¹⁰ = 434402407 is a prime.

It is a super-2 number, since 2×434403431² = 377412681729143522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 434403431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434403433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686 + ... + 29483.

It is an arithmetic number, because the mean of its divisors is an integer number (24075660).

Almost surely, 2^434403431 is an apocalyptic number.

434403431 is a deficient number, since it is larger than the sum of its proper divisors (143412409).

434403431 is a wasteful number, since it uses less digits than its factorization.

434403431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30215 (or 30204 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 434403431 is about 20842.3470607319. The cubic root of 434403431 is about 757.3519516642.

Adding to 434403431 its reverse (134304434), we get a palindrome (568707865).

The spelling of 434403431 in words is "four hundred thirty-four million, four hundred three thousand, four hundred thirty-one".