830719 has 2 divisors, whose sum is σ = 830720. Its totient is φ = 830718.

The previous prime is 830693. The next prime is 830729. The reversal of 830719 is 917038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 830719 - 2⁷ = 830591 is a prime.

It is a super-2 number, since 2×830719² = 1380188113922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415359 + 415360.

It is an arithmetic number, because the mean of its divisors is an integer number (415360).

2⁸³⁰⁷¹⁹ is an apocalyptic number.

830719 is a deficient number, since it is larger than the sum of its proper divisors (1).

830719 is an equidigital number, since it uses as much as digits as its factorization.

830719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 830719 is about 911.4378750085. The cubic root of 830719 is about 94.0050925263.

The spelling of 830719 in words is "eight hundred thirty thousand, seven hundred nineteen".