89966798 has 8 divisors (see below), whose sum is σ = 136851120. Its totient is φ = 44349760.

The previous prime is 89966791. The next prime is 89966803. The reversal of 89966798 is 89766998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89966798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89966791) 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, 316643 + ... + 316926.

It is an arithmetic number, because the mean of its divisors is an integer number (17106390).

Almost surely, 2^89966798 is an apocalyptic number.

89966798 is a deficient number, since it is larger than the sum of its proper divisors (46884322).

89966798 is a wasteful number, since it uses less digits than its factorization.

89966798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633642.

The product of its digits is 11757312, while the sum is 62.

The square root of 89966798 is about 9485.0829200382. The cubic root of 89966798 is about 448.0853598775.

The spelling of 89966798 in words is "eighty-nine million, nine hundred sixty-six thousand, seven hundred ninety-eight".