34341821 has 4 divisors (see below), whose sum is σ = 35140512. Its totient is φ = 33543132.

The previous prime is 34341817. The next prime is 34341823. The reversal of 34341821 is 12814343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34341821 - 2² = 34341817 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 (34341823) 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 in 3 ways as a sum of consecutive naturals, for example, 399281 + ... + 399366.

It is an arithmetic number, because the mean of its divisors is an integer number (8785128).

Almost surely, 2^34341821 is an apocalyptic number.

It is an amenable number.

34341821 is a deficient number, since it is larger than the sum of its proper divisors (798691).

34341821 is an equidigital number, since it uses as much as digits as its factorization.

34341821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798690.

The product of its digits is 2304, while the sum is 26.

The square root of 34341821 is about 5860.1895020554. The cubic root of 34341821 is about 325.0432163439.

The spelling of 34341821 in words is "thirty-four million, three hundred forty-one thousand, eight hundred twenty-one".