43531434 has 24 divisors (see below), whose sum is σ = 94575780. Its totient is φ = 14470848.

The previous prime is 43531429. The next prime is 43531457. The reversal of 43531434 is 43413534.

It can be written as a sum of positive squares in 2 ways, for example, as 43520409 + 11025 = 6597^2 + 105^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43531398 and 43531407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3894 + ... + 10110.

Almost surely, 2^43531434 is an apocalyptic number.

43531434 is an abundant number, since it is smaller than the sum of its proper divisors (51044346).

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

43531434 is a wasteful number, since it uses less digits than its factorization.

43531434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614 (or 6611 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 43531434 is about 6597.8355541799. The cubic root of 43531434 is about 351.7771758243. Note that the first 3 decimals are identical.

Adding to 43531434 its reverse (43413534), we get a palindrome (86944968).

The spelling of 43531434 in words is "forty-three million, five hundred thirty-one thousand, four hundred thirty-four".