2830397 has 2 divisors, whose sum is σ = 2830398. Its totient is φ = 2830396.

The previous prime is 2830391. The next prime is 2830433. The reversal of 2830397 is 7930382.

2830397 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., 2172676 + 657721 = 1474^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2830397 - 2⁸ = 2830141 is a prime.

It is a super-2 number, since 2×2830397² = 16022294355218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2830391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415198 + 1415199.

It is an arithmetic number, because the mean of its divisors is an integer number (1415199).

2^2830397 is an apocalyptic number.

It is an amenable number.

2830397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2830397 is an equidigital number, since it uses as much as digits as its factorization.

2830397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2830397 is about 1682.3783759904. The cubic root of 2830397 is about 141.4541798726.

The spelling of 2830397 in words is "two million, eight hundred thirty thousand, three hundred ninety-seven".