344432489 has 2 divisors, whose sum is σ = 344432490. Its totient is φ = 344432488.

The previous prime is 344432471. The next prime is 344432549. The reversal of 344432489 is 984234443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343472089 + 960400 = 18533^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 344432489 - 2¹² = 344428393 is a prime.

It is not a weakly prime, because it can be changed into another prime (344432089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172216244 + 172216245.

It is an arithmetic number, because the mean of its divisors is an integer number (172216245).

Almost surely, 2^344432489 is an apocalyptic number.

It is an amenable number.

344432489 is a deficient number, since it is larger than the sum of its proper divisors (1).

344432489 is an equidigital number, since it uses as much as digits as its factorization.

344432489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 41.

The square root of 344432489 is about 18558.8924507903. The cubic root of 344432489 is about 700.9731288578.

The spelling of 344432489 in words is "three hundred forty-four million, four hundred thirty-two thousand, four hundred eighty-nine".