8798561 has 4 divisors (see below), whose sum is σ = 8862000. Its totient is φ = 8735124.

The previous prime is 8798549. The next prime is 8798567. The reversal of 8798561 is 1658978.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8798561 - 2¹⁸ = 8536417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8798567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31511 + ... + 31788.

It is an arithmetic number, because the mean of its divisors is an integer number (2215500).

Almost surely, 2^8798561 is an apocalyptic number.

It is an amenable number.

8798561 is a deficient number, since it is larger than the sum of its proper divisors (63439).

8798561 is a wasteful number, since it uses less digits than its factorization.

8798561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63438.

The product of its digits is 120960, while the sum is 44.

The square root of 8798561 is about 2966.2368415216. The cubic root of 8798561 is about 206.4447690605. Note that the first 3 decimals are identical.

The spelling of 8798561 in words is "eight million, seven hundred ninety-eight thousand, five hundred sixty-one".