89198969 has 8 divisors (see below), whose sum is σ = 90537888. Its totient is φ = 87868800.

The previous prime is 89198959. The next prime is 89198987. The reversal of 89198969 is 96989198.

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 89198969 - 2⁴ = 89198953 is a prime.

It is a super-2 number, since 2×89198969² = 15912912141325922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89198959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19994 + ... + 24044.

It is an arithmetic number, because the mean of its divisors is an integer number (11317236).

Almost surely, 2^89198969 is an apocalyptic number.

It is an amenable number.

89198969 is a deficient number, since it is larger than the sum of its proper divisors (1338919).

89198969 is a wasteful number, since it uses less digits than its factorization.

89198969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its digits is 2519424, while the sum is 59.

The square root of 89198969 is about 9444.5205807389. The cubic root of 89198969 is about 446.8069757347.

The spelling of 89198969 in words is "eighty-nine million, one hundred ninety-eight thousand, nine hundred sixty-nine".