10047840 has 144 divisors (see below), whose sum is σ = 34990704. Its totient is φ = 2421760.

The previous prime is 10047823. The next prime is 10047841. The reversal of 10047840 is 4874001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10047840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10047841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57994 + ... + 58166.

It is an arithmetic number, because the mean of its divisors is an integer number (242991).

Almost surely, 2^10047840 is an apocalyptic number.

10047840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10047840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17495352).

10047840 is an abundant number, since it is smaller than the sum of its proper divisors (24942864).

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

10047840 is a wasteful number, since it uses less digits than its factorization.

10047840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 10047840 is about 3169.8328031617. The cubic root of 10047840 is about 215.7864831087.

The spelling of 10047840 in words is "ten million, forty-seven thousand, eight hundred forty".