8662240 has 24 divisors (see below), whose sum is σ = 20464920. Its totient is φ = 3464832.

The previous prime is 8662223. The next prime is 8662243. The reversal of 8662240 is 422668.

It is a junction number, because it is equal to n+sod(n) for n = 8662199 and 8662208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8662243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26910 + ... + 27229.

It is an arithmetic number, because the mean of its divisors is an integer number (852705).

Almost surely, 2^8662240 is an apocalyptic number.

8662240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8662240 is an abundant number, since it is smaller than the sum of its proper divisors (11802680).

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

8662240 is a wasteful number, since it uses less digits than its factorization.

8662240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54154 (or 54146 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8662240 is about 2943.1683607976. The cubic root of 8662240 is about 205.3730269395.

It can be divided in two parts, 86 and 62240, that added together give a palindrome (62326).

The spelling of 8662240 in words is "eight million, six hundred sixty-two thousand, two hundred forty".