89208623 has 4 divisors (see below), whose sum is σ = 101952720. Its totient is φ = 76464528.

The previous prime is 89208619. The next prime is 89208631. The reversal of 89208623 is 32680298.

It is a happy number.

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

It is not a de Polignac number, because 89208623 - 2² = 89208619 is a prime.

It is a super-2 number, since 2×89208623² = 15916356835112258, 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 (89208643) 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, 6372038 + ... + 6372051.

It is an arithmetic number, because the mean of its divisors is an integer number (25488180).

Almost surely, 2^89208623 is an apocalyptic number.

89208623 is a deficient number, since it is larger than the sum of its proper divisors (12744097).

89208623 is a wasteful number, since it uses less digits than its factorization.

89208623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744096.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 89208623 is about 9445.0316569083. The cubic root of 89208623 is about 446.8230944522.

The spelling of 89208623 in words is "eighty-nine million, two hundred eight thousand, six hundred twenty-three".