89289530 has 48 divisors (see below), whose sum is σ = 178544520. Its totient is φ = 32123520.

The previous prime is 89289461. The next prime is 89289581. The reversal of 89289530 is 3598298.

It can be written as a sum of positive squares in 4 ways, for example, as 89283601 + 5929 = 9449^2 + 77^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131552 + ... + 132228.

Almost surely, 2^89289530 is an apocalyptic number.

89289530 is a deficient number, since it is larger than the sum of its proper divisors (89254990).

89289530 is a wasteful number, since it uses less digits than its factorization.

89289530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 89289530 is about 9449.3137316950. The cubic root of 89289530 is about 446.9581344345.

The spelling of 89289530 in words is "eighty-nine million, two hundred eighty-nine thousand, five hundred thirty".