699449 has 2 divisors, whose sum is σ = 699450. Its totient is φ = 699448.

The previous prime is 699443. The next prime is 699463. The reversal of 699449 is 944996.

699449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 7225 = 832^2 + 85^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699449 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 699449.

It is not a weakly prime, because it can be changed into another prime (699443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349724 + 349725.

It is an arithmetic number, because the mean of its divisors is an integer number (349725).

2⁶⁹⁹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

699449 is a deficient number, since it is larger than the sum of its proper divisors (1).

699449 is an equidigital number, since it uses as much as digits as its factorization.

699449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 699449 is about 836.3306762280. The cubic root of 699449 is about 88.7670971492.

The spelling of 699449 in words is "six hundred ninety-nine thousand, four hundred forty-nine".