89849309 has 8 divisors (see below), whose sum is σ = 103176480. Its totient is φ = 77382000.

The previous prime is 89849303. The next prime is 89849321. The reversal of 89849309 is 90394898.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89849309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89849303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214742 + ... + 215159.

It is an arithmetic number, because the mean of its divisors is an integer number (12897060).

Almost surely, 2^89849309 is an apocalyptic number.

It is an amenable number.

89849309 is a deficient number, since it is larger than the sum of its proper divisors (13327171).

89849309 is a wasteful number, since it uses less digits than its factorization.

89849309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429931.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 89849309 is about 9478.8875402127. The cubic root of 89849309 is about 447.8902210955.

The spelling of 89849309 in words is "eighty-nine million, eight hundred forty-nine thousand, three hundred nine".