10307989 has 2 divisors, whose sum is σ = 10307990. Its totient is φ = 10307988.

The previous prime is 10307987. The next prime is 10308007. The reversal of 10307989 is 98970301.

10307989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 3179089 = 2670^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 10307989 - 2¹ = 10307987 is a prime.

Together with 10307987, 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 (10307981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5153994 + 5153995.

It is an arithmetic number, because the mean of its divisors is an integer number (5153995).

Almost surely, 2^10307989 is an apocalyptic number.

It is an amenable number.

10307989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10307989 is an equidigital number, since it uses as much as digits as its factorization.

10307989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10307989 is about 3210.6057060935. The cubic root of 10307989 is about 217.6329499398.

The spelling of 10307989 in words is "ten million, three hundred seven thousand, nine hundred eighty-nine".