2034421 has 2 divisors, whose sum is σ = 2034422.
Its totient is φ = 2034420.
The previous prime is 2034367. The next prime is 2034427. The reversal of 2034421 is 1244302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1199025 + 835396 = 1095^2 + 914^2
It is a cyclic number.
It is not a de Polignac number, because 2034421 - 213 = 2026229 is a prime.
It is equal to p151333 and since 2034421 and 151333 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 2034395 and 2034404.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2034427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1017210 + 1017211.
It is an arithmetic number, because the mean of its divisors is an integer number (1017211).
22034421 is an apocalyptic number.
It is an amenable number.
2034421 is a deficient number, since it is larger than the sum of its proper divisors (1).
2034421 is an equidigital number, since it uses as much as digits as its factorization.
2034421 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2034421 is about 1426.3313079366.
The cubic root of 2034421 is about 126.7107933362.
Adding to 2034421 its reverse (1244302), we get a palindrome (3278723).
It can be divided in two parts, 203 and 4421, that added together give a square (4624 = 682).
The spelling of 2034421 in words is "two million, thirty-four thousand, four hundred twenty-one".