10646089 has 2 divisors, whose sum is σ = 10646090. Its totient is φ = 10646088.

The previous prime is 10646081. The next prime is 10646093. The reversal of 10646089 is 98064601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 1646089 = 3000^2 + 1283^2 .

It is an emirp because it is prime and its reverse (98064601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10646089 - 2³ = 10646081 is a prime.

It is a super-2 number, since 2×10646089² = 226678421991842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10646081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5323044 + 5323045.

It is an arithmetic number, because the mean of its divisors is an integer number (5323045).

Almost surely, 2^10646089 is an apocalyptic number.

It is an amenable number.

10646089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10646089 is an equidigital number, since it uses as much as digits as its factorization.

10646089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 10646089 is about 3262.8345039245. The cubic root of 10646089 is about 219.9868380556.

The spelling of 10646089 in words is "ten million, six hundred forty-six thousand, eighty-nine".