341809021 has 8 divisors (see below), whose sum is σ = 370332864. Its totient is φ = 314220480.

The previous prime is 341809001. The next prime is 341809057. The reversal of 341809021 is 120908143.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 341809021 - 2²³ = 333420413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341809001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233065 + ... + 234526.

It is an arithmetic number, because the mean of its divisors is an integer number (46291608).

Almost surely, 2^341809021 is an apocalyptic number.

It is an amenable number.

341809021 is a deficient number, since it is larger than the sum of its proper divisors (28523843).

341809021 is a wasteful number, since it uses less digits than its factorization.

341809021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467651.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 341809021 is about 18488.0778070626. The cubic root of 341809021 is about 699.1888706660.

The spelling of 341809021 in words is "three hundred forty-one million, eight hundred nine thousand, twenty-one".