8955540 has 72 divisors (see below), whose sum is σ = 29641248. Its totient is φ = 2170560.

The previous prime is 8955539. The next prime is 8955547. The reversal of 8955540 is 455598.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8955495 and 8955504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8955547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (411684).

Almost surely, 2^8955540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8955540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14820624).

8955540 is an abundant number, since it is smaller than the sum of its proper divisors (20685708).

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

8955540 is a wasteful number, since it uses less digits than its factorization.

8955540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4544 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 8955540 is about 2992.5808259761. The cubic root of 8955540 is about 207.6652962656.

The spelling of 8955540 in words is "eight million, nine hundred fifty-five thousand, five hundred forty".