3516389 has 2 divisors, whose sum is σ = 3516390. Its totient is φ = 3516388.

The previous prime is 3516371. The next prime is 3516397. The reversal of 3516389 is 9836153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 1060900 = 1567^2 + 1030^2 .

It is an emirp because it is prime and its reverse (9836153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3516389 - 2¹² = 3512293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3516319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1758194 + 1758195.

It is an arithmetic number, because the mean of its divisors is an integer number (1758195).

Almost surely, 2^3516389 is an apocalyptic number.

It is an amenable number.

3516389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3516389 is an equidigital number, since it uses as much as digits as its factorization.

3516389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 3516389 is about 1875.2037222659. The cubic root of 3516389 is about 152.0660637341.

The spelling of 3516389 in words is "three million, five hundred sixteen thousand, three hundred eighty-nine".