43294490 has 8 divisors (see below), whose sum is σ = 77930100. Its totient is φ = 17317792.

The previous prime is 43294453. The next prime is 43294501. The reversal of 43294490 is 9449234.

43294490 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 41899729 + 1394761 = 6473^2 + 1181^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 43294490.

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, 2164715 + ... + 2164734.

Almost surely, 2^43294490 is an apocalyptic number.

43294490 is a deficient number, since it is larger than the sum of its proper divisors (34635610).

43294490 is a wasteful number, since it uses less digits than its factorization.

43294490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329456.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 43294490 is about 6579.8548616212. The cubic root of 43294490 is about 351.1377667708.

The spelling of 43294490 in words is "forty-three million, two hundred ninety-four thousand, four hundred ninety".