89230440 has 128 divisors (see below), whose sum is σ = 294658560. Its totient is φ = 21479424.

The previous prime is 89230367. The next prime is 89230447. The reversal of 89230440 is 4403298.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 89230398 and 89230407.

It is not an unprimeable number, because it can be changed into a prime (89230447) 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 31 ways as a sum of consecutive naturals, for example, 72712 + ... + 73928.

It is an arithmetic number, because the mean of its divisors is an integer number (2302020).

Almost surely, 2^89230440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147329280).

89230440 is an abundant number, since it is smaller than the sum of its proper divisors (205428120).

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

89230440 is a wasteful number, since it uses less digits than its factorization.

89230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 89230440 is about 9446.1865321409. The cubic root of 89230440 is about 446.8595167342.

The spelling of 89230440 in words is "eighty-nine million, two hundred thirty thousand, four hundred forty".