8897945 has 16 divisors (see below), whose sum is σ = 12534528. Its totient is φ = 5935680.

The previous prime is 8897939. The next prime is 8897951. The reversal of 8897945 is 5497988.

8897945 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8897939) and next prime (8897951).

It is not a de Polignac number, because 8897945 - 2⁴ = 8897929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8897893 and 8897902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (783408).

Almost surely, 2^8897945 is an apocalyptic number.

It is an amenable number.

8897945 is a deficient number, since it is larger than the sum of its proper divisors (3636583).

8897945 is a wasteful number, since it uses less digits than its factorization.

8897945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920.

The product of its digits is 725760, while the sum is 50.

The square root of 8897945 is about 2982.9423393690. The cubic root of 8897945 is about 207.2191584601.

The spelling of 8897945 in words is "eight million, eight hundred ninety-seven thousand, nine hundred forty-five".