3480989 has 2 divisors, whose sum is σ = 3480990. Its totient is φ = 3480988.

The previous prime is 3480973. The next prime is 3480991. The reversal of 3480989 is 9890843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2948089 + 532900 = 1717^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3480989 - 2⁴ = 3480973 is a prime.

It is a Sophie Germain prime.

Together with 3480991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3480929) 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, 1740494 + 1740495.

It is an arithmetic number, because the mean of its divisors is an integer number (1740495).

Almost surely, 2^3480989 is an apocalyptic number.

It is an amenable number.

3480989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3480989 is an equidigital number, since it uses as much as digits as its factorization.

3480989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3480989 is about 1865.7408716111. The cubic root of 3480989 is about 151.5540513022.

The spelling of 3480989 in words is "three million, four hundred eighty thousand, nine hundred eighty-nine".