8066240 has 112 divisors (see below), whose sum is σ = 23725632. Its totient is φ = 2543616.

The previous prime is 8066209. The next prime is 8066243. The reversal of 8066240 is 426608.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (8066243) 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, 28982 + ... + 29258.

It is an arithmetic number, because the mean of its divisors is an integer number (211836).

Almost surely, 2^8066240 is an apocalyptic number.

8066240 is a gapful number since it is divisible by the number (80) 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 8066240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11862816).

8066240 is an abundant number, since it is smaller than the sum of its proper divisors (15659392).

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

8066240 is a wasteful number, since it uses less digits than its factorization.

8066240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 8066240 is about 2840.1126738212. The cubic root of 8066240 is about 200.5504834497.

The spelling of 8066240 in words is "eight million, sixty-six thousand, two hundred forty".