10721828 has 48 divisors (see below), whose sum is σ = 21337344. Its totient is φ = 4680960.

The previous prime is 10721827. The next prime is 10721831. The reversal of 10721828 is 82812701.

It is a super-2 number, since 2×10721828² = 229915191323168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10721828.

It is not an unprimeable number, because it can be changed into a prime (10721827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100151 + ... + 100257.

It is an arithmetic number, because the mean of its divisors is an integer number (444528).

Almost surely, 2^10721828 is an apocalyptic number.

It is an amenable number.

10721828 is a deficient number, since it is larger than the sum of its proper divisors (10615516).

10721828 is a wasteful number, since it uses less digits than its factorization.

10721828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 10721828 is about 3274.4202540297. The cubic root of 10721828 is about 220.5072866750.

The spelling of 10721828 in words is "ten million, seven hundred twenty-one thousand, eight hundred twenty-eight".