10921329 has 6 divisors (see below), whose sum is σ = 15775266. Its totient is φ = 7280880.

The previous prime is 10921321. The next prime is 10921363. The reversal of 10921329 is 92312901.

10921329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 31329 = 3300^2 + 177^2 .

It is not a de Polignac number, because 10921329 - 2³ = 10921321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10921321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606732 + ... + 606749.

It is an arithmetic number, because the mean of its divisors is an integer number (2629211).

Almost surely, 2^10921329 is an apocalyptic number.

It is an amenable number.

10921329 is a deficient number, since it is larger than the sum of its proper divisors (4853937).

10921329 is a wasteful number, since it uses less digits than its factorization.

10921329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213487 (or 1213484 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10921329 is about 3304.7434091015. The cubic root of 10921329 is about 221.8665499394.

The spelling of 10921329 in words is "ten million, nine hundred twenty-one thousand, three hundred twenty-nine".