89209497 has 8 divisors (see below), whose sum is σ = 128095744. Its totient is φ = 54898128.

The previous prime is 89209487. The next prime is 89209501. The reversal of 89209497 is 79490298.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89209497 - 2⁷ = 89209369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89209447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143673 + ... + 1143750.

It is an arithmetic number, because the mean of its divisors is an integer number (16011968).

Almost surely, 2^89209497 is an apocalyptic number.

It is an amenable number.

89209497 is a deficient number, since it is larger than the sum of its proper divisors (38886247).

89209497 is a wasteful number, since it uses less digits than its factorization.

89209497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287439.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 89209497 is about 9445.0779245065. The cubic root of 89209497 is about 446.8245536613.

The spelling of 89209497 in words is "eighty-nine million, two hundred nine thousand, four hundred ninety-seven".