10921924 has 12 divisors (see below), whose sum is σ = 20583724. Its totient is φ = 5040864.

The previous prime is 10921921. The next prime is 10921927. The reversal of 10921924 is 42912901.

It is a happy number.

10921924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10921921) and next prime (10921927).

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 7387524 = 1880^2 + 2718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10921892 and 10921901.

It is not an unprimeable number, because it can be changed into a prime (10921921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104967 + ... + 105070.

Almost surely, 2^10921924 is an apocalyptic number.

It is an amenable number.

10921924 is a deficient number, since it is larger than the sum of its proper divisors (9661800).

10921924 is a wasteful number, since it uses less digits than its factorization.

10921924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210054 (or 210052 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10921924 is about 3304.8334299931. The cubic root of 10921924 is about 221.8705790034.

The spelling of 10921924 in words is "ten million, nine hundred twenty-one thousand, nine hundred twenty-four".