699379 has 2 divisors, whose sum is σ = 699380. Its totient is φ = 699378.

The previous prime is 699373. The next prime is 699383. The reversal of 699379 is 973996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699379 is a prime.

It is not a weakly prime, because it can be changed into another prime (699373) by changing a digit.

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 as a sum of consecutive naturals, namely, 349689 + 349690.

It is an arithmetic number, because the mean of its divisors is an integer number (349690).

2⁶⁹⁹³⁷⁹ is an apocalyptic number.

699379 is a deficient number, since it is larger than the sum of its proper divisors (1).

699379 is an equidigital number, since it uses as much as digits as its factorization.

699379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 43.

The square root of 699379 is about 836.2888257056. The cubic root of 699379 is about 88.7641358162.

The spelling of 699379 in words is "six hundred ninety-nine thousand, three hundred seventy-nine".