7934987 has 2 divisors, whose sum is σ = 7934988. Its totient is φ = 7934986.

The previous prime is 7934981. The next prime is 7934999. The reversal of 7934987 is 7894397.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7934987 - 2⁶ = 7934923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7934981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3967493 + 3967494.

It is an arithmetic number, because the mean of its divisors is an integer number (3967494).

Almost surely, 2^7934987 is an apocalyptic number.

7934987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7934987 is an equidigital number, since it uses as much as digits as its factorization.

7934987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 7934987 is about 2816.9108967094. The cubic root of 7934987 is about 199.4567507372.

The spelling of 7934987 in words is "seven million, nine hundred thirty-four thousand, nine hundred eighty-seven".