341821999 has 2 divisors, whose sum is σ = 341822000. Its totient is φ = 341821998.

The previous prime is 341821981. The next prime is 341822003. The reversal of 341821999 is 999128143.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 341821999 - 2⁵ = 341821967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341821919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170910999 + 170911000.

It is an arithmetic number, because the mean of its divisors is an integer number (170911000).

Almost surely, 2^341821999 is an apocalyptic number.

341821999 is a deficient number, since it is larger than the sum of its proper divisors (1).

341821999 is an equidigital number, since it uses as much as digits as its factorization.

341821999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 46.

The square root of 341821999 is about 18488.4287866763. The cubic root of 341821999 is about 699.1977196214.

The spelling of 341821999 in words is "three hundred forty-one million, eight hundred twenty-one thousand, nine hundred ninety-nine".