89340228 has 36 divisors (see below), whose sum is σ = 226839340. Its totient is φ = 29647296.

The previous prime is 89340221. The next prime is 89340241. The reversal of 89340228 is 82204398.

It can be written as a sum of positive squares in 2 ways, for example, as 54199044 + 35141184 = 7362^2 + 5928^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 89340192 and 89340201.

It is not an unprimeable number, because it can be changed into a prime (89340221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2826 + ... + 13662.

Almost surely, 2^89340228 is an apocalyptic number.

It is an amenable number.

89340228 is an abundant number, since it is smaller than the sum of its proper divisors (137499112).

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

89340228 is a wasteful number, since it uses less digits than its factorization.

89340228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076 (or 11071 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 89340228 is about 9451.9959796860. The cubic root of 89340228 is about 447.0427117123.

The spelling of 89340228 in words is "eighty-nine million, three hundred forty thousand, two hundred twenty-eight".