89395709 has 4 divisors (see below), whose sum is σ = 96272316. Its totient is φ = 82519104.

The previous prime is 89395633. The next prime is 89395717. The reversal of 89395709 is 90759398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38316100 + 51079609 = 6190^2 + 7147^2 .

It is a cyclic number.

It is not a de Polignac number, because 89395709 - 2²⁴ = 72618493 is a prime.

It is a super-2 number, since 2×89395709² = 15983185575225362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89395759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438284 + ... + 3438309.

It is an arithmetic number, because the mean of its divisors is an integer number (24068079).

Almost surely, 2^89395709 is an apocalyptic number.

It is an amenable number.

89395709 is a deficient number, since it is larger than the sum of its proper divisors (6876607).

89395709 is a wasteful number, since it uses less digits than its factorization.

89395709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876606.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 89395709 is about 9454.9304069358. The cubic root of 89395709 is about 447.1352316026.

The spelling of 89395709 in words is "eighty-nine million, three hundred ninety-five thousand, seven hundred nine".