3484021 has 2 divisors, whose sum is σ = 3484022. Its totient is φ = 3484020.

The previous prime is 3484007. The next prime is 3484037. The reversal of 3484021 is 1204843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 1661521 = 1350^2 + 1289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3484021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3483983 and 3484001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3484001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742010 + 1742011.

It is an arithmetic number, because the mean of its divisors is an integer number (1742011).

Almost surely, 2^3484021 is an apocalyptic number.

It is an amenable number.

3484021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3484021 is an equidigital number, since it uses as much as digits as its factorization.

3484021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3484021 is about 1866.5532406015. The cubic root of 3484021 is about 151.5980405759.

Adding to 3484021 its reverse (1204843), we get a palindrome (4688864).

The spelling of 3484021 in words is "three million, four hundred eighty-four thousand, twenty-one".