10829921 has 2 divisors, whose sum is σ = 10829922. Its totient is φ = 10829920.

The previous prime is 10829899. The next prime is 10829939. The reversal of 10829921 is 12992801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10010896 + 819025 = 3164^2 + 905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10829921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10829971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5414960 + 5414961.

It is an arithmetic number, because the mean of its divisors is an integer number (5414961).

Almost surely, 2^10829921 is an apocalyptic number.

It is an amenable number.

10829921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10829921 is an equidigital number, since it uses as much as digits as its factorization.

10829921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 10829921 is about 3290.8845315508. The cubic root of 10829921 is about 221.2458311534.

The spelling of 10829921 in words is "ten million, eight hundred twenty-nine thousand, nine hundred twenty-one".