3509687 has 2 divisors, whose sum is σ = 3509688. Its totient is φ = 3509686.

The previous prime is 3509677. The next prime is 3509689. The reversal of 3509687 is 7869053.

It is a strong prime.

It is an emirp because it is prime and its reverse (7869053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3509687 is a prime.

Together with 3509689, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3509687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3509689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754843 + 1754844.

It is an arithmetic number, because the mean of its divisors is an integer number (1754844).

Almost surely, 2^3509687 is an apocalyptic number.

3509687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3509687 is an equidigital number, since it uses as much as digits as its factorization.

3509687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3509687 is about 1873.4158641370. The cubic root of 3509687 is about 151.9693930756.

The spelling of 3509687 in words is "three million, five hundred nine thousand, six hundred eighty-seven".