10921828 has 12 divisors (see below), whose sum is σ = 19558000. Its totient is φ = 5333832.

The previous prime is 10921817. The next prime is 10921831. The reversal of 10921828 is 82812901.

It is a happy number.

10921828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10921828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31578 + ... + 31921.

Almost surely, 2^10921828 is an apocalyptic number.

10921828 is the 1767-th centered heptagonal number.

It is an amenable number.

10921828 is a deficient number, since it is larger than the sum of its proper divisors (8636172).

10921828 is a wasteful number, since it uses less digits than its factorization.

10921828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63546 (or 63544 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 10921828 is about 3304.8189057799. The cubic root of 10921828 is about 221.8699289458.

The spelling of 10921828 in words is "ten million, nine hundred twenty-one thousand, eight hundred twenty-eight".