10684321 has 4 divisors (see below), whose sum is σ = 10752532. Its totient is φ = 10616112.

The previous prime is 10684291. The next prime is 10684337. The reversal of 10684321 is 12348601.

10684321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2624400 + 8059921 = 1620^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 10684321 - 2¹³ = 10676129 is a prime.

It is a super-2 number, since 2×10684321² = 228309430462082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10684391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33870 + ... + 34183.

It is an arithmetic number, because the mean of its divisors is an integer number (2688133).

Almost surely, 2^10684321 is an apocalyptic number.

It is an amenable number.

10684321 is a deficient number, since it is larger than the sum of its proper divisors (68211).

10684321 is an equidigital number, since it uses as much as digits as its factorization.

10684321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68210.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10684321 is about 3268.6879630824. The cubic root of 10684321 is about 220.2498607462.

The spelling of 10684321 in words is "ten million, six hundred eighty-four thousand, three hundred twenty-one".