89621238 has 16 divisors (see below), whose sum is σ = 204848640. Its totient is φ = 25606056.

The previous prime is 89621219. The next prime is 89621243. The reversal of 89621238 is 83212698.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89621196 and 89621205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066878 + ... + 1066961.

It is an arithmetic number, because the mean of its divisors is an integer number (12803040).

Almost surely, 2^89621238 is an apocalyptic number.

89621238 is an abundant number, since it is smaller than the sum of its proper divisors (115227402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89621238 is a wasteful number, since it uses less digits than its factorization.

89621238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133851.

The product of its digits is 41472, while the sum is 39.

The square root of 89621238 is about 9466.8494231185. The cubic root of 89621238 is about 447.5109292713.

The spelling of 89621238 in words is "eighty-nine million, six hundred twenty-one thousand, two hundred thirty-eight".