10298021 has 4 divisors (see below), whose sum is σ = 10320000. Its totient is φ = 10276044.

The previous prime is 10298017. The next prime is 10298047. The reversal of 10298021 is 12089201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10298021 - 2² = 10298017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10298221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10271 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (2580000).

Almost surely, 2^10298021 is an apocalyptic number.

It is an amenable number.

10298021 is a deficient number, since it is larger than the sum of its proper divisors (21979).

10298021 is an equidigital number, since it uses as much as digits as its factorization.

10298021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21978.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10298021 is about 3209.0529755677. The cubic root of 10298021 is about 217.5627757318.

The spelling of 10298021 in words is "ten million, two hundred ninety-eight thousand, twenty-one".