3488921 has 2 divisors, whose sum is σ = 3488922. Its totient is φ = 3488920.

The previous prime is 3488917. The next prime is 3488929. The reversal of 3488921 is 1298843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 25600 = 1861^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 3488921 - 2² = 3488917 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3488929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744460 + 1744461.

It is an arithmetic number, because the mean of its divisors is an integer number (1744461).

Almost surely, 2^3488921 is an apocalyptic number.

It is an amenable number.

3488921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3488921 is an equidigital number, since it uses as much as digits as its factorization.

3488921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 3488921 is about 1867.8653591734. The cubic root of 3488921 is about 151.6690775020.

The spelling of 3488921 in words is "three million, four hundred eighty-eight thousand, nine hundred twenty-one".