8905240 has 32 divisors (see below), whose sum is σ = 20206080. Its totient is φ = 3532032.

The previous prime is 8905199. The next prime is 8905321. The reversal of 8905240 is 425098.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8905199 and 8905208.

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, 4204 + ... + 5956.

It is an arithmetic number, because the mean of its divisors is an integer number (631440).

Almost surely, 2^8905240 is an apocalyptic number.

It is an amenable number.

8905240 is an abundant number, since it is smaller than the sum of its proper divisors (11300840).

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

8905240 is a wasteful number, since it uses less digits than its factorization.

8905240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8905240 is about 2984.1648748017. The cubic root of 8905240 is about 207.2757726872.

The spelling of 8905240 in words is "eight million, nine hundred five thousand, two hundred forty".