10408649 has 2 divisors, whose sum is σ = 10408650. Its totient is φ = 10408648.

The previous prime is 10408589. The next prime is 10408661. The reversal of 10408649 is 94680401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 2229049 = 2860^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 10408649 - 2⁸ = 10408393 is a prime.

It is not a weakly prime, because it can be changed into another prime (10408669) 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, 5204324 + 5204325.

It is an arithmetic number, because the mean of its divisors is an integer number (5204325).

Almost surely, 2^10408649 is an apocalyptic number.

It is an amenable number.

10408649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10408649 is an equidigital number, since it uses as much as digits as its factorization.

10408649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 10408649 is about 3226.2437911602. The cubic root of 10408649 is about 218.3390691861.

The spelling of 10408649 in words is "ten million, four hundred eight thousand, six hundred forty-nine".