43434402 has 48 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 12701920.

The previous prime is 43434397. The next prime is 43434421. The reversal of 43434402 is 20443434.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20023 + ... + 22085.

It is an arithmetic number, because the mean of its divisors is an integer number (2058840).

Almost surely, 2^43434402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43434402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49412160).

43434402 is an abundant number, since it is smaller than the sum of its proper divisors (55389918).

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

43434402 is a wasteful number, since it uses less digits than its factorization.

43434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 43434402 is about 6590.4781313650. The cubic root of 43434402 is about 351.5156097739.

Adding to 43434402 its reverse (20443434), we get a palindrome (63877836).

The spelling of 43434402 in words is "forty-three million, four hundred thirty-four thousand, four hundred two".