10981328 has 10 divisors (see below), whose sum is σ = 21276354. Its totient is φ = 5490656.

The previous prime is 10981319. The next prime is 10981331. The reversal of 10981328 is 82318901.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 1420864 = 3092^2 + 1192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10981294 and 10981303.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 343151 + ... + 343182.

Almost surely, 2^10981328 is an apocalyptic number.

It is an amenable number.

10981328 is a deficient number, since it is larger than the sum of its proper divisors (10295026).

10981328 is an equidigital number, since it uses as much as digits as its factorization.

10981328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686341 (or 686335 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 10981328 is about 3313.8086848821. The cubic root of 10981328 is about 222.2721009518.

The spelling of 10981328 in words is "ten million, nine hundred eighty-one thousand, three hundred twenty-eight".