10491329 has 16 divisors (see below), whose sum is σ = 11534976. Its totient is φ = 9504000.

The previous prime is 10491319. The next prime is 10491331. The reversal of 10491329 is 92319401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10491329 - 2¹² = 10487233 is a prime.

It is a super-2 number, since 2×10491329² = 220135968372482, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10491319) 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, 69404 + ... + 69554.

It is an arithmetic number, because the mean of its divisors is an integer number (720936).

Almost surely, 2^10491329 is an apocalyptic number.

It is an amenable number.

10491329 is a deficient number, since it is larger than the sum of its proper divisors (1043647).

10491329 is a wasteful number, since it uses less digits than its factorization.

10491329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 10491329 is about 3239.0321085164. The cubic root of 10491329 is about 218.9156629173.

The spelling of 10491329 in words is "ten million, four hundred ninety-one thousand, three hundred twenty-nine".