89340309 has 12 divisors (see below), whose sum is σ = 130064896. Its totient is φ = 59090472.

The previous prime is 89340289. The next prime is 89340313. The reversal of 89340309 is 90304398.

89340309 is a `hidden beast` number, since 8 + 9 + 340 + 309 = 666.

It is not a de Polignac number, because 89340309 - 2¹² = 89336213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89340359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37939 + ... + 40224.

Almost surely, 2^89340309 is an apocalyptic number.

It is an amenable number.

89340309 is a deficient number, since it is larger than the sum of its proper divisors (40724587).

89340309 is a wasteful number, since it uses less digits than its factorization.

89340309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78296 (or 78293 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 89340309 is about 9452.0002644943. Note that the first 3 decimals coincide. The cubic root of 89340309 is about 447.0428468155.

The spelling of 89340309 in words is "eighty-nine million, three hundred forty thousand, three hundred nine".