10649969 has 16 divisors (see below), whose sum is σ = 12082176. Its totient is φ = 9302400.

The previous prime is 10649959. The next prime is 10649981. The reversal of 10649969 is 96994601.

It is a cyclic number.

It is not a de Polignac number, because 10649969 - 2⁴ = 10649953 is a prime.

It is a super-2 number, since 2×10649969² = 226843679401922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10649909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55664 + ... + 55854.

It is an arithmetic number, because the mean of its divisors is an integer number (755136).

Almost surely, 2^10649969 is an apocalyptic number.

It is an amenable number.

10649969 is a deficient number, since it is larger than the sum of its proper divisors (1432207).

10649969 is a wasteful number, since it uses less digits than its factorization.

10649969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 10649969 is about 3263.4290248142. The cubic root of 10649969 is about 220.0135597703.

The spelling of 10649969 in words is "ten million, six hundred forty-nine thousand, nine hundred sixty-nine".