9970487 has 2 divisors, whose sum is σ = 9970488. Its totient is φ = 9970486.

The previous prime is 9970481. The next prime is 9970489. The reversal of 9970487 is 7840799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9970487 - 2⁶ = 9970423 is a prime.

It is a super-2 number, since 2×9970487² = 198821222034338, which contains 22 as substring.

Together with 9970489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9970481) 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, 4985243 + 4985244.

It is an arithmetic number, because the mean of its divisors is an integer number (4985244).

Almost surely, 2^9970487 is an apocalyptic number.

9970487 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970487 is an equidigital number, since it uses as much as digits as its factorization.

9970487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 9970487 is about 3157.6077970514. The cubic root of 9970487 is about 215.2313140518.

The spelling of 9970487 in words is "nine million, nine hundred seventy thousand, four hundred eighty-seven".