3489697 has 2 divisors, whose sum is σ = 3489698. Its totient is φ = 3489696.

The previous prime is 3489691. The next prime is 3489713. The reversal of 3489697 is 7969843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 720801 = 1664^2 + 849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3489697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3489691) 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, 1744848 + 1744849.

It is an arithmetic number, because the mean of its divisors is an integer number (1744849).

Almost surely, 2^3489697 is an apocalyptic number.

It is an amenable number.

3489697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3489697 is an equidigital number, since it uses as much as digits as its factorization.

3489697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 3489697 is about 1868.0730713760. The cubic root of 3489697 is about 151.6803213296.

It can be divided in two parts, 3489 and 697, that added together give a triangular number (4186 = T₉₁).

The spelling of 3489697 in words is "three million, four hundred eighty-nine thousand, six hundred ninety-seven".