8549772 has 96 divisors (see below), whose sum is σ = 26234880. Its totient is φ = 2099520.

The previous prime is 8549719. The next prime is 8549773. The reversal of 8549772 is 2779458.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 8⁵ + 5⁵ + 4⁸ + 9⁵ + 7³ + 7³ + 2²³ .

It is not an unprimeable number, because it can be changed into a prime (8549773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17313 + ... + 17799.

It is an arithmetic number, because the mean of its divisors is an integer number (273280).

Almost surely, 2^8549772 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 8549772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13117440).

8549772 is an abundant number, since it is smaller than the sum of its proper divisors (17685108).

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

8549772 is a wasteful number, since it uses less digits than its factorization.

8549772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 8549772 is about 2923.9993160054. Note that the first 3 decimals coincide. The cubic root of 8549772 is about 204.4803176479.

The spelling of 8549772 in words is "eight million, five hundred forty-nine thousand, seven hundred seventy-two".