89429517 has 6 divisors (see below), whose sum is σ = 129175982. Its totient is φ = 59619672.

The previous prime is 89429507. The next prime is 89429521. The reversal of 89429517 is 71592498.

It can be written as a sum of positive squares in only one way, i.e., 85766121 + 3663396 = 9261^2 + 1914^2 .

It is not a de Polignac number, because 89429517 - 2⁸ = 89429261 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 (89429507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4968298 + ... + 4968315.

Almost surely, 2^89429517 is an apocalyptic number.

It is an amenable number.

89429517 is a deficient number, since it is larger than the sum of its proper divisors (39746465).

89429517 is a wasteful number, since it uses less digits than its factorization.

89429517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936619 (or 9936616 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 89429517 is about 9456.7180882164. The cubic root of 89429517 is about 447.1915909173.

The spelling of 89429517 in words is "eighty-nine million, four hundred twenty-nine thousand, five hundred seventeen".