8890745 has 8 divisors (see below), whose sum is σ = 11296584. Its totient is φ = 6694144.

The previous prime is 8890741. The next prime is 8890747. The reversal of 8890745 is 5470988.

It can be written as a sum of positive squares in 4 ways, for example, as 1201216 + 7689529 = 1096^2 + 2773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8890745 - 2² = 8890741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8890741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52214 + ... + 52383.

It is an arithmetic number, because the mean of its divisors is an integer number (1412073).

Almost surely, 2^8890745 is an apocalyptic number.

8890745 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8890745 is a deficient number, since it is larger than the sum of its proper divisors (2405839).

8890745 is a wasteful number, since it uses less digits than its factorization.

8890745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104619.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8890745 is about 2981.7352330480. The cubic root of 8890745 is about 207.1632511487.

The spelling of 8890745 in words is "eight million, eight hundred ninety thousand, seven hundred forty-five".