89437247 has 8 divisors (see below), whose sum is σ = 92735040. Its totient is φ = 86153760.

The previous prime is 89437219. The next prime is 89437253. The reversal of 89437247 is 74273498.

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

It is a cyclic number.

It is not a de Polignac number, because 89437247 - 2¹⁸ = 89175103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89437198 and 89437207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89437207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10097 + ... + 16757.

It is an arithmetic number, because the mean of its divisors is an integer number (11591880).

Almost surely, 2^89437247 is an apocalyptic number.

89437247 is a deficient number, since it is larger than the sum of its proper divisors (3297793).

89437247 is a wasteful number, since it uses less digits than its factorization.

89437247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153.

The product of its digits is 338688, while the sum is 44.

The square root of 89437247 is about 9457.1267835427. The cubic root of 89437247 is about 447.2044751473.

The spelling of 89437247 in words is "eighty-nine million, four hundred thirty-seven thousand, two hundred forty-seven".