999620341 has 2 divisors, whose sum is σ = 999620342. Its totient is φ = 999620340.

The previous prime is 999620339. The next prime is 999620353. The reversal of 999620341 is 143026999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573363025 + 426257316 = 23945^2 + 20646^2 .

It is a cyclic number.

It is not a de Polignac number, because 999620341 - 2¹ = 999620339 is a prime.

It is a super-2 number, since 2×999620341² = 1998481652281912562, which contains 22 as substring.

Together with 999620339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999620311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499810170 + 499810171.

It is an arithmetic number, because the mean of its divisors is an integer number (499810171).

Almost surely, 2^999620341 is an apocalyptic number.

It is an amenable number.

999620341 is a deficient number, since it is larger than the sum of its proper divisors (1).

999620341 is an equidigital number, since it uses as much as digits as its factorization.

999620341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 999620341 is about 31616.7730959375. The cubic root of 999620341 is about 999.8734309810.

The spelling of 999620341 in words is "nine hundred ninety-nine million, six hundred twenty thousand, three hundred forty-one".