434043340 has 12 divisors (see below), whose sum is σ = 911491056. Its totient is φ = 173617328.

The previous prime is 434043331. The next prime is 434043349. The reversal of 434043340 is 43340434.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (434043331) and next prime (434043349).

It is not an unprimeable number, because it can be changed into a prime (434043349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10851064 + ... + 10851103.

It is an arithmetic number, because the mean of its divisors is an integer number (75957588).

Almost surely, 2^434043340 is an apocalyptic number.

It is an amenable number.

434043340 is an abundant number, since it is smaller than the sum of its proper divisors (477447716).

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

434043340 is a wasteful number, since it uses less digits than its factorization.

434043340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702176 (or 21702174 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 434043340 is about 20833.7068233188. The cubic root of 434043340 is about 757.1426293376.

Adding to 434043340 its reverse (43340434), we get a palindrome (477383774).

The spelling of 434043340 in words is "four hundred thirty-four million, forty-three thousand, three hundred forty".