10604989 has 2 divisors, whose sum is σ = 10604990. Its totient is φ = 10604988.

The previous prime is 10604987. The next prime is 10605013. The reversal of 10604989 is 98940601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9972964 + 632025 = 3158^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 10604989 - 2¹ = 10604987 is a prime.

It is a super-2 number, since 2×10604989² = 224931583380242, which contains 22 as substring.

Together with 10604987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10604987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5302494 + 5302495.

It is an arithmetic number, because the mean of its divisors is an integer number (5302495).

Almost surely, 2^10604989 is an apocalyptic number.

It is an amenable number.

10604989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10604989 is an equidigital number, since it uses as much as digits as its factorization.

10604989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 10604989 is about 3256.5302086730. The cubic root of 10604989 is about 219.7033812502.

The spelling of 10604989 in words is "ten million, six hundred four thousand, nine hundred eighty-nine".