7944912 has 80 divisors (see below), whose sum is σ = 23302080. Its totient is φ = 2590848.

The previous prime is 7944887. The next prime is 7944919. The reversal of 7944912 is 2194497.

7944912 is digitally balanced in base 4, because in such base 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 (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944919) 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, 22723 + ... + 23069.

It is an arithmetic number, because the mean of its divisors is an integer number (291276).

Almost surely, 2^7944912 is an apocalyptic number.

7944912 is a gapful number since it is divisible by the number (72) 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 7944912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11651040).

7944912 is an abundant number, since it is smaller than the sum of its proper divisors (15357168).

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

7944912 is a wasteful number, since it uses less digits than its factorization.

7944912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 405 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7944912 is about 2818.6720277464. The cubic root of 7944912 is about 199.5398755727.

The spelling of 7944912 in words is "seven million, nine hundred forty-four thousand, nine hundred twelve".