10243940 has 36 divisors (see below), whose sum is σ = 25026876. Its totient is φ = 3511872.

The previous prime is 10243939. The next prime is 10243949. The reversal of 10243940 is 4934201.

10243940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 2637376 = 2758^2 + 1624^2 .

It is a super-3 number, since 3×10243940³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10243949) 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, 4247 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (695191).

Almost surely, 2^10243940 is an apocalyptic number.

10243940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10243940 is an abundant number, since it is smaller than the sum of its proper divisors (14782936).

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

10243940 is a wasteful number, since it uses less digits than its factorization.

10243940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476 (or 10467 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 10243940 is about 3200.6155657936. The cubic root of 10243940 is about 217.1812568121.

The spelling of 10243940 in words is "ten million, two hundred forty-three thousand, nine hundred forty".