43086434 has 4 divisors (see below), whose sum is σ = 64629654. Its totient is φ = 21543216.

The previous prime is 43086419. The next prime is 43086437. The reversal of 43086434 is 43468034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43468034 = 2 ⋅21734017.

It can be written as a sum of positive squares in only one way, i.e., 40998409 + 2088025 = 6403^2 + 1445^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43086434.

It is not an unprimeable number, because it can be changed into a prime (43086437) by changing a digit.

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 as a sum of consecutive naturals, namely, 10771607 + ... + 10771610.

Almost surely, 2^43086434 is an apocalyptic number.

43086434 is a deficient number, since it is larger than the sum of its proper divisors (21543220).

43086434 is a wasteful number, since it uses less digits than its factorization.

43086434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543219.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 43086434 is about 6564.0257464455. The cubic root of 43086434 is about 350.5743874653.

The spelling of 43086434 in words is "forty-three million, eighty-six thousand, four hundred thirty-four".