8855540 has 12 divisors (see below), whose sum is σ = 18596676. Its totient is φ = 3542208.

The previous prime is 8855537. The next prime is 8855563. The reversal of 8855540 is 455588.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 6770404 = 1444^2 + 2602^2 .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8855540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221369 + ... + 221408.

It is an arithmetic number, because the mean of its divisors is an integer number (1549723).

Almost surely, 2^8855540 is an apocalyptic number.

It is an amenable number.

8855540 is an abundant number, since it is smaller than the sum of its proper divisors (9741136).

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

8855540 is a wasteful number, since it uses less digits than its factorization.

8855540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442786 (or 442784 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 8855540 is about 2975.8259357698. The cubic root of 8855540 is about 206.8894522021.

The spelling of 8855540 in words is "eight million, eight hundred fifty-five thousand, five hundred forty".