10343021 has 12 divisors (see below), whose sum is σ = 11836692. Its totient is φ = 8982528.

The previous prime is 10342999. The next prime is 10343023. The reversal of 10343021 is 12034301.

It can be written as a sum of positive squares in 6 ways, for example, as 1276900 + 9066121 = 1130^2 + 3011^2 .

It is not a de Polignac number, because 10343021 - 2¹⁰ = 10341997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10342987 and 10343005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10343023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2381 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (986391).

Almost surely, 2^10343021 is an apocalyptic number.

It is an amenable number.

10343021 is a deficient number, since it is larger than the sum of its proper divisors (1493671).

10343021 is a wasteful number, since it uses less digits than its factorization.

10343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10343021 is about 3216.0567470118. The cubic root of 10343021 is about 217.8792151374.

Adding to 10343021 its reverse (12034301), we get a palindrome (22377322).

The spelling of 10343021 in words is "ten million, three hundred forty-three thousand, twenty-one".