8861598 has 24 divisors (see below), whose sum is σ = 19820736. Its totient is φ = 2858400.

The previous prime is 8861597. The next prime is 8861609. The reversal of 8861598 is 8951688.

It is a super-2 number, since 2×8861598² = 157055838227208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7383 + ... + 8498.

It is an arithmetic number, because the mean of its divisors is an integer number (825864).

Almost surely, 2^8861598 is an apocalyptic number.

8861598 is an abundant number, since it is smaller than the sum of its proper divisors (10959138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8861598 is a wasteful number, since it uses less digits than its factorization.

8861598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15920 (or 15917 counting only the distinct ones).

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

The square root of 8861598 is about 2976.8436304247. The cubic root of 8861598 is about 206.9366185564.

The spelling of 8861598 in words is "eight million, eight hundred sixty-one thousand, five hundred ninety-eight".