8452644 has 48 divisors (see below), whose sum is σ = 20993280. Its totient is φ = 2639520.

The previous prime is 8452603. The next prime is 8452649. The reversal of 8452644 is 4462548.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8452649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29727 + ... + 30009.

It is an arithmetic number, because the mean of its divisors is an integer number (437360).

Almost surely, 2^8452644 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 8452644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10496640).

8452644 is an abundant number, since it is smaller than the sum of its proper divisors (12540636).

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

8452644 is a wasteful number, since it uses less digits than its factorization.

8452644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 438 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 8452644 is about 2907.3431170056. The cubic root of 8452644 is about 203.7030473816.

The spelling of 8452644 in words is "eight million, four hundred fifty-two thousand, six hundred forty-four".