43490626 has 8 divisors (see below), whose sum is σ = 66129804. Its totient is φ = 21447360.

The previous prime is 43490609. The next prime is 43490647. The reversal of 43490626 is 62609434.

43490626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41925625 + 1565001 = 6475^2 + 1251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43490591 and 43490600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148795 + ... + 149086.

Almost surely, 2^43490626 is an apocalyptic number.

43490626 is a deficient number, since it is larger than the sum of its proper divisors (22639178).

43490626 is a wasteful number, since it uses less digits than its factorization.

43490626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297956.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 43490626 is about 6594.7422997415. The cubic root of 43490626 is about 351.6672184154.

The spelling of 43490626 in words is "forty-three million, four hundred ninety thousand, six hundred twenty-six".