8898561 has 24 divisors (see below), whose sum is σ = 14811264. Its totient is φ = 5042880.

The previous prime is 8898553. The next prime is 8898569. The reversal of 8898561 is 1658988.

8898561 is a `hidden beast` number, since 8 + 89 + 8 + 561 = 666.

8898561 is digitally balanced in base 3, because in such base 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 (8898553) and next prime (8898569).

It is not a de Polignac number, because 8898561 - 2³ = 8898553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8898569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8116 + ... + 9146.

It is an arithmetic number, because the mean of its divisors is an integer number (617136).

Almost surely, 2^8898561 is an apocalyptic number.

It is an amenable number.

8898561 is a deficient number, since it is larger than the sum of its proper divisors (5912703).

8898561 is a wasteful number, since it uses less digits than its factorization.

8898561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1178 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 8898561 is about 2983.0455913378. The cubic root of 8898561 is about 207.2239402405.

The spelling of 8898561 in words is "eight million, eight hundred ninety-eight thousand, five hundred sixty-one".