89444628 has 192 divisors, whose sum is σ = 301056000. Its totient is φ = 22301568.

The previous prime is 89444623. The next prime is 89444629. The reversal of 89444628 is 82644498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89444623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186493 + ... + 186971.

It is an arithmetic number, because the mean of its divisors is an integer number (1568000).

Almost surely, 2^89444628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89444628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150528000).

89444628 is an abundant number, since it is smaller than the sum of its proper divisors (211611372).

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

89444628 is a wasteful number, since it uses less digits than its factorization.

89444628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 523 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 89444628 is about 9457.5170102940. The cubic root of 89444628 is about 447.2167769773.

The spelling of 89444628 in words is "eighty-nine million, four hundred forty-four thousand, six hundred twenty-eight".