10649856 has 108 divisors (see below), whose sum is σ = 33088272. Its totient is φ = 3032064.

The previous prime is 10649843. The next prime is 10649867. The reversal of 10649856 is 65894601.

It is a super-2 number, since 2×10649856² = 226838865641472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37491 + ... + 37773.

Almost surely, 2^10649856 is an apocalyptic number.

10649856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10649856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16544136).

10649856 is an abundant number, since it is smaller than the sum of its proper divisors (22438416).

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

10649856 is an equidigital number, since it uses as much as digits as its factorization.

10649856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 10649856 is about 3263.4117116907. The cubic root of 10649856 is about 220.0127816265.

The spelling of 10649856 in words is "ten million, six hundred forty-nine thousand, eight hundred fifty-six".