434031340 has 24 divisors (see below), whose sum is σ = 920494512. Its totient is φ = 171892800.

The previous prime is 434031329. The next prime is 434031343. The reversal of 434031340 is 43130434.

It is not an unprimeable number, because it can be changed into a prime (434031343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105414 + ... + 109453.

It is an arithmetic number, because the mean of its divisors is an integer number (38353938).

Almost surely, 2^434031340 is an apocalyptic number.

It is an amenable number.

434031340 is an abundant number, since it is smaller than the sum of its proper divisors (486463172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434031340 is a wasteful number, since it uses less digits than its factorization.

434031340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214977 (or 214975 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 434031340 is about 20833.4188264912. The cubic root of 434031340 is about 757.1356516970.

Adding to 434031340 its reverse (43130434), we get a palindrome (477161774).

The spelling of 434031340 in words is "four hundred thirty-four million, thirty-one thousand, three hundred forty".