830685941 has 2 divisors, whose sum is σ = 830685942. Its totient is φ = 830685940.

The previous prime is 830685929. The next prime is 830685949. The reversal of 830685941 is 149586038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459930916 + 370755025 = 21446^2 + 19255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830685941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830685892 and 830685901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830685949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415342970 + 415342971.

It is an arithmetic number, because the mean of its divisors is an integer number (415342971).

Almost surely, 2^830685941 is an apocalyptic number.

It is an amenable number.

830685941 is a deficient number, since it is larger than the sum of its proper divisors (1).

830685941 is an equidigital number, since it uses as much as digits as its factorization.

830685941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 830685941 is about 28821.6228030276. The cubic root of 830685941 is about 940.0384551191.

The spelling of 830685941 in words is "eight hundred thirty million, six hundred eighty-five thousand, nine hundred forty-one".