3498661 has 2 divisors, whose sum is σ = 3498662. Its totient is φ = 3498660.

The previous prime is 3498643. The next prime is 3498697. The reversal of 3498661 is 1668943.

3498661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 776161 = 1650^2 + 881^2 .

It is an emirp because it is prime and its reverse (1668943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3498661 - 2¹¹ = 3496613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3498661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3492661) 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 as a sum of consecutive naturals, namely, 1749330 + 1749331.

It is an arithmetic number, because the mean of its divisors is an integer number (1749331).

Almost surely, 2^3498661 is an apocalyptic number.

3498661 is the 837-th centered decagonal number.

It is an amenable number.

3498661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3498661 is an equidigital number, since it uses as much as digits as its factorization.

3498661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 3498661 is about 1870.4707963505. The cubic root of 3498661 is about 151.8100842545.

The spelling of 3498661 in words is "three million, four hundred ninety-eight thousand, six hundred sixty-one".