89148820 has 24 divisors (see below), whose sum is σ = 189146664. Its totient is φ = 35291136.

The previous prime is 89148797. The next prime is 89148821. The reversal of 89148820 is 2884198.

It can be written as a sum of positive squares in 4 ways, for example, as 3104644 + 86044176 = 1762^2 + 9276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89148821) 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 7 ways as a sum of consecutive naturals, for example, 21037 + ... + 24916.

It is an arithmetic number, because the mean of its divisors is an integer number (7881111).

Almost surely, 2^89148820 is an apocalyptic number.

It is an amenable number.

89148820 is an abundant number, since it is smaller than the sum of its proper divisors (99997844).

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

89148820 is a wasteful number, since it uses less digits than its factorization.

89148820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46059 (or 46057 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 89148820 is about 9441.8652818180. The cubic root of 89148820 is about 446.7232261736.

The spelling of 89148820 in words is "eighty-nine million, one hundred forty-eight thousand, eight hundred twenty".