89297305 has 4 divisors (see below), whose sum is σ = 107156772. Its totient is φ = 71437840.

The previous prime is 89297297. The next prime is 89297309. The reversal of 89297305 is 50379298.

It is a happy number.

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 69822736 + 19474569 = 8356^2 + 4413^2 .

It is not a de Polignac number, because 89297305 - 2³ = 89297297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89297309) 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, 8929726 + ... + 8929735.

It is an arithmetic number, because the mean of its divisors is an integer number (26789193).

Almost surely, 2^89297305 is an apocalyptic number.

It is an amenable number.

89297305 is a deficient number, since it is larger than the sum of its proper divisors (17859467).

89297305 is a wasteful number, since it uses less digits than its factorization.

89297305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17859466.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 89297305 is about 9449.7251282775. The cubic root of 89297305 is about 446.9711072083.

The spelling of 89297305 in words is "eighty-nine million, two hundred ninety-seven thousand, three hundred five".