9473987 has 2 divisors, whose sum is σ = 9473988. Its totient is φ = 9473986.

The previous prime is 9473983. The next prime is 9474019. The reversal of 9473987 is 7893749.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9473987 - 2² = 9473983 is a prime.

It is not a weakly prime, because it can be changed into another prime (9473983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4736993 + 4736994.

It is an arithmetic number, because the mean of its divisors is an integer number (4736994).

Almost surely, 2^9473987 is an apocalyptic number.

9473987 is a deficient number, since it is larger than the sum of its proper divisors (1).

9473987 is an equidigital number, since it uses as much as digits as its factorization.

9473987 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9473987 is about 3077.9842429746. The cubic root of 9473987 is about 211.5976928909.

The spelling of 9473987 in words is "nine million, four hundred seventy-three thousand, nine hundred eighty-seven".