89973450 has 96 divisors (see below), whose sum is σ = 283374720. Its totient is φ = 20563200.

The previous prime is 89973437. The next prime is 89973451. The reversal of 89973450 is 5437998.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 = 89973396 and 89973405.

It is not an unprimeable number, because it can be changed into a prime (89973451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4690 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (2951820).

Almost surely, 2^89973450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89973450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141687360).

89973450 is an abundant number, since it is smaller than the sum of its proper divisors (193401270).

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

89973450 is a wasteful number, since it uses less digits than its factorization.

89973450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549 (or 9538 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 89973450 is about 9485.4335694263. The cubic root of 89973450 is about 448.0964031751.

The spelling of 89973450 in words is "eighty-nine million, nine hundred seventy-three thousand, four hundred fifty".