10856945 has 16 divisors (see below), whose sum is σ = 14351040. Its totient is φ = 7819200.

The previous prime is 10856939. The next prime is 10856959. The reversal of 10856945 is 54965801.

It is not a de Polignac number, because 10856945 - 2⁴ = 10856929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10856899 and 10856908.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5090 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (896940).

Almost surely, 2^10856945 is an apocalyptic number.

It is an amenable number.

10856945 is a deficient number, since it is larger than the sum of its proper divisors (3494095).

10856945 is a wasteful number, since it uses less digits than its factorization.

10856945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 10856945 is about 3294.9878603722. The cubic root of 10856945 is about 221.4297038741.

The spelling of 10856945 in words is "ten million, eight hundred fifty-six thousand, nine hundred forty-five".