10866949 has 2 divisors, whose sum is σ = 10866950. Its totient is φ = 10866948.

The previous prime is 10866943. The next prime is 10866953. The reversal of 10866949 is 94966801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 42849 = 3290^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 10866949 - 2⁹ = 10866437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10866943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433474 + 5433475.

It is an arithmetic number, because the mean of its divisors is an integer number (5433475).

Almost surely, 2^10866949 is an apocalyptic number.

It is an amenable number.

10866949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10866949 is an equidigital number, since it uses as much as digits as its factorization.

10866949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 10866949 is about 3296.5055740890. The cubic root of 10866949 is about 221.4976942318.

The spelling of 10866949 in words is "ten million, eight hundred sixty-six thousand, nine hundred forty-nine".