43382489 has 2 divisors, whose sum is σ = 43382490. Its totient is φ = 43382488.

The previous prime is 43382483. The next prime is 43382497. The reversal of 43382489 is 98428334.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 6416089 = 6080^2 + 2533^2 .

It is a cyclic number.

It is not a de Polignac number, because 43382489 - 2⁴ = 43382473 is a prime.

It is not a weakly prime, because it can be changed into another prime (43382483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21691244 + 21691245.

It is an arithmetic number, because the mean of its divisors is an integer number (21691245).

Almost surely, 2^43382489 is an apocalyptic number.

It is an amenable number.

43382489 is a deficient number, since it is larger than the sum of its proper divisors (1).

43382489 is an equidigital number, since it uses as much as digits as its factorization.

43382489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 43382489 is about 6586.5384687254. The cubic root of 43382489 is about 351.3755095771.

The spelling of 43382489 in words is "forty-three million, three hundred eighty-two thousand, four hundred eighty-nine".