89070228 has 36 divisors (see below), whose sum is σ = 242470228. Its totient is φ = 27406080.

The previous prime is 89070203. The next prime is 89070229. The reversal of 89070228 is 82207098.

It can be written as a sum of positive squares in 2 ways, for example, as 58798224 + 30272004 = 7668^2 + 5502^2 .

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 = 89070192 and 89070201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89070229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94693 + ... + 95628.

Almost surely, 2^89070228 is an apocalyptic number.

It is an amenable number.

89070228 is an abundant number, since it is smaller than the sum of its proper divisors (153400000).

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

89070228 is a wasteful number, since it uses less digits than its factorization.

89070228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190344 (or 190339 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 89070228 is about 9437.7024746492. The cubic root of 89070228 is about 446.5919131850.

It can be divided in two parts, 89070 and 228, that added together give a palindrome (89298).

The spelling of 89070228 in words is "eighty-nine million, seventy thousand, two hundred twenty-eight".