10491028 has 6 divisors (see below), whose sum is σ = 18359306. Its totient is φ = 5245512.

The previous prime is 10491001. The next prime is 10491037. The reversal of 10491028 is 82019401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9622404 + 868624 = 3102^2 + 932^2 .

It is a super-2 number, since 2×10491028² = 220123336993568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10490993 and 10491011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311375 + ... + 1311382.

Almost surely, 2^10491028 is an apocalyptic number.

It is an amenable number.

10491028 is a deficient number, since it is larger than the sum of its proper divisors (7868278).

10491028 is a wasteful number, since it uses less digits than its factorization.

10491028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622761 (or 2622759 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10491028 is about 3238.9856436854. The cubic root of 10491028 is about 218.9135693076.

The spelling of 10491028 in words is "ten million, four hundred ninety-one thousand, twenty-eight".