706404449 has 2 divisors, whose sum is σ = 706404450. Its totient is φ = 706404448.

The previous prime is 706404437. The next prime is 706404487. The reversal of 706404449 is 944404607.

It is a happy number.

It is an a-pointer prime, because the next prime (706404487) can be obtained adding 706404449 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 689430049 + 16974400 = 26257^2 + 4120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706404449 is a prime.

It is not a weakly prime, because it can be changed into another prime (706304449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353202224 + 353202225.

It is an arithmetic number, because the mean of its divisors is an integer number (353202225).

Almost surely, 2^706404449 is an apocalyptic number.

It is an amenable number.

706404449 is a deficient number, since it is larger than the sum of its proper divisors (1).

706404449 is an equidigital number, since it uses as much as digits as its factorization.

706404449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 706404449 is about 26578.2702409318. The cubic root of 706404449 is about 890.6036593947.

The spelling of 706404449 in words is "seven hundred six million, four hundred four thousand, four hundred forty-nine".