3216487 has 2 divisors, whose sum is σ = 3216488. Its totient is φ = 3216486.

The previous prime is 3216457. The next prime is 3216497. The reversal of 3216487 is 7846123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3216487 - 2⁷ = 3216359 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 (3216407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608243 + 1608244.

It is an arithmetic number, because the mean of its divisors is an integer number (1608244).

Almost surely, 2^3216487 is an apocalyptic number.

3216487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216487 is an equidigital number, since it uses as much as digits as its factorization.

3216487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 3216487 is about 1793.4567181842. The cubic root of 3216487 is about 147.6139041648.

The spelling of 3216487 in words is "three million, two hundred sixteen thousand, four hundred eighty-seven".