8920544 has 12 divisors (see below), whose sum is σ = 17562384. Its totient is φ = 4460256.

The previous prime is 8920543. The next prime is 8920547. The reversal of 8920544 is 4450298.

It is a super-2 number, since 2×8920544² = 159152210511872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 278767 = 8920544 / (8 + 9 + 2 + 0 + 5 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 8920544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8920543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139352 + ... + 139415.

It is an arithmetic number, because the mean of its divisors is an integer number (1463532).

Almost surely, 2^8920544 is an apocalyptic number.

It is an amenable number.

8920544 is a deficient number, since it is larger than the sum of its proper divisors (8641840).

8920544 is a wasteful number, since it uses less digits than its factorization.

8920544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278777 (or 278769 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 8920544 is about 2986.7279755612. The cubic root of 8920544 is about 207.3944418829.

The spelling of 8920544 in words is "eight million, nine hundred twenty thousand, five hundred forty-four".