89309311 has 16 divisors (see below), whose sum is σ = 112168000. Its totient is φ = 70658784.

The previous prime is 89309309. The next prime is 89309317. The reversal of 89309311 is 11390398.

It is not a de Polignac number, because 89309311 - 2¹ = 89309309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89309317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (7010500).

Almost surely, 2^89309311 is an apocalyptic number.

89309311 is a deficient number, since it is larger than the sum of its proper divisors (22858689).

89309311 is a wasteful number, since it uses less digits than its factorization.

89309311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20063 (or 20049 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 89309311 is about 9450.3603634994. The cubic root of 89309311 is about 446.9911380280.

The spelling of 89309311 in words is "eighty-nine million, three hundred nine thousand, three hundred eleven".