3460921 has 2 divisors, whose sum is σ = 3460922. Its totient is φ = 3460920.

The previous prime is 3460883. The next prime is 3460927. The reversal of 3460921 is 1290643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1597696 = 1365^2 + 1264^2 .

It is an emirp because it is prime and its reverse (1290643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3460921 is a prime.

It is not a weakly prime, because it can be changed into another prime (3460927) 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, 1730460 + 1730461.

It is an arithmetic number, because the mean of its divisors is an integer number (1730461).

Almost surely, 2^3460921 is an apocalyptic number.

It is an amenable number.

3460921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3460921 is an equidigital number, since it uses as much as digits as its factorization.

3460921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3460921 is about 1860.3550736351. The cubic root of 3460921 is about 151.2622520412.

The spelling of 3460921 in words is "three million, four hundred sixty thousand, nine hundred twenty-one".