11934840 has 64 divisors (see below), whose sum is σ = 36034560. Its totient is φ = 3162240.

The previous prime is 11934827. The next prime is 11934841. The reversal of 11934840 is 4843911.

It is a happy number.

11934840 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11934798 and 11934807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11934841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32337 + ... + 32703.

It is an arithmetic number, because the mean of its divisors is an integer number (563040).

Almost surely, 2^11934840 is an apocalyptic number.

11934840 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 11934840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18017280).

11934840 is an abundant number, since it is smaller than the sum of its proper divisors (24099720).

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

11934840 is a wasteful number, since it uses less digits than its factorization.

11934840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 11934840 is about 3454.6837771350. The cubic root of 11934840 is about 228.5277096444.

The spelling of 11934840 in words is "eleven million, nine hundred thirty-four thousand, eight hundred forty".