3546689 has 2 divisors, whose sum is σ = 3546690. Its totient is φ = 3546688.

The previous prime is 3546677. The next prime is 3546691. The reversal of 3546689 is 9866453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 588289 = 1720^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 3546689 - 2¹² = 3542593 is a prime.

Together with 3546691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3546619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1773344 + 1773345.

It is an arithmetic number, because the mean of its divisors is an integer number (1773345).

Almost surely, 2^3546689 is an apocalyptic number.

It is an amenable number.

3546689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3546689 is an equidigital number, since it uses as much as digits as its factorization.

3546689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 3546689 is about 1883.2655150031. The cubic root of 3546689 is about 152.5015891620.

The spelling of 3546689 in words is "three million, five hundred forty-six thousand, six hundred eighty-nine".