3434020421 has 4 divisors (see below), whose sum is σ = 3698175852. Its totient is φ = 3169864992.

The previous prime is 3434020399. The next prime is 3434020441. The reversal of 3434020421 is 1240204343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1592409025 + 1841611396 = 39905^2 + 42914^2 .

It is a cyclic number.

It is not a de Polignac number, because 3434020421 - 2²² = 3429826117 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 (3434020441) 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 3 ways as a sum of consecutive naturals, for example, 132077696 + ... + 132077721.

It is an arithmetic number, because the mean of its divisors is an integer number (924543963).

Almost surely, 2^3434020421 is an apocalyptic number.

It is an amenable number.

3434020421 is a deficient number, since it is larger than the sum of its proper divisors (264155431).

3434020421 is a wasteful number, since it uses less digits than its factorization.

3434020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264155430.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3434020421 is about 58600.5155352749. The cubic root of 3434020421 is about 1508.6932865893.

Adding to 3434020421 its reverse (1240204343), we get a palindrome (4674224764).

The spelling of 3434020421 in words is "three billion, four hundred thirty-four million, twenty thousand, four hundred twenty-one".