89388450 has 36 divisors (see below), whose sum is σ = 240158178. Its totient is φ = 23836800.

The previous prime is 89388401. The next prime is 89388457. The reversal of 89388450 is 5488398.

It can be written as a sum of positive squares in 3 ways, for example, as 81486729 + 7901721 = 9027^2 + 2811^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 89388396 and 89388405.

It is not an unprimeable number, because it can be changed into a prime (89388457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98871 + ... + 99770.

Almost surely, 2^89388450 is an apocalyptic number.

89388450 is an abundant number, since it is smaller than the sum of its proper divisors (150769728).

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

89388450 is a wasteful number, since it uses less digits than its factorization.

89388450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198659 (or 198651 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 89388450 is about 9454.5465253496. The cubic root of 89388450 is about 447.1231287007.

The spelling of 89388450 in words is "eighty-nine million, three hundred eighty-eight thousand, four hundred fifty".