8743920 has 40 divisors (see below), whose sum is σ = 27106896. Its totient is φ = 2331648.

The previous prime is 8743919. The next prime is 8743937. The reversal of 8743920 is 293478.

8743920 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 tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×8743920² = 152912273932800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17977 + ... + 18456.

Almost surely, 2^8743920 is an apocalyptic number.

8743920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8743920 is an abundant number, since it is smaller than the sum of its proper divisors (18362976).

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

8743920 is a wasteful number, since it uses less digits than its factorization.

8743920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36449 (or 36443 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 8743920 is about 2957.0120053865. The cubic root of 8743920 is about 206.0165255225.

The spelling of 8743920 in words is "eight million, seven hundred forty-three thousand, nine hundred twenty".