10999648 has 24 divisors (see below), whose sum is σ = 23625000. Its totient is φ = 4999680.

The previous prime is 10999643. The next prime is 10999657. The reversal of 10999648 is 84699901.

It is a super-2 number, since 2×10999648² = 241984512247808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10999598 and 10999607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10999643) 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 in 3 ways as a sum of consecutive naturals, for example, 15273 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (984375).

Almost surely, 2^10999648 is an apocalyptic number.

It is an amenable number.

10999648 is an abundant number, since it is smaller than the sum of its proper divisors (12625352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10999648 is a wasteful number, since it uses less digits than its factorization.

10999648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31270 (or 31262 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 10999648 is about 3316.5717239342. The cubic root of 10999648 is about 222.3956367862.

The spelling of 10999648 in words is "ten million, nine hundred ninety-nine thousand, six hundred forty-eight".