89799649 has 8 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 87802416.

The previous prime is 89799637. The next prime is 89799667. The reversal of 89799649 is 94699798.

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 89799649 - 2¹⁷ = 89668577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89799679) 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, 13512 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (11476080).

Almost surely, 2^89799649 is an apocalyptic number.

It is an amenable number.

89799649 is a deficient number, since it is larger than the sum of its proper divisors (2008991).

89799649 is a wasteful number, since it uses less digits than its factorization.

89799649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879.

The product of its digits is 8817984, while the sum is 61.

The square root of 89799649 is about 9476.2676724542. The cubic root of 89799649 is about 447.8076891032.

The spelling of 89799649 in words is "eighty-nine million, seven hundred ninety-nine thousand, six hundred forty-nine".