9361987 has 2 divisors, whose sum is σ = 9361988. Its totient is φ = 9361986.

The previous prime is 9361967. The next prime is 9361991. The reversal of 9361987 is 7891639.

9361987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9361987 is a prime.

It is not a weakly prime, because it can be changed into another prime (9361967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4680993 + 4680994.

It is an arithmetic number, because the mean of its divisors is an integer number (4680994).

Almost surely, 2^9361987 is an apocalyptic number.

9361987 is a deficient number, since it is larger than the sum of its proper divisors (1).

9361987 is an equidigital number, since it uses as much as digits as its factorization.

9361987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 43.

The square root of 9361987 is about 3059.7364265570. The cubic root of 9361987 is about 210.7605603572.

The spelling of 9361987 in words is "nine million, three hundred sixty-one thousand, nine hundred eighty-seven".