10209340 has 24 divisors (see below), whose sum is σ = 21897792. Its totient is φ = 3996480.

The previous prime is 10209317. The next prime is 10209341. The reversal of 10209340 is 4390201.

10209340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (912408).

Almost surely, 2^10209340 is an apocalyptic number.

10209340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10209340 is an abundant number, since it is smaller than the sum of its proper divisors (11688452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10209340 is a wasteful number, since it uses less digits than its factorization.

10209340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917 (or 10915 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10209340 is about 3195.2057836703. The cubic root of 10209340 is about 216.9364633795.

Adding to 10209340 its reverse (4390201), we get a palindrome (14599541).

The spelling of 10209340 in words is "ten million, two hundred nine thousand, three hundred forty".