90214180 has 48 divisors (see below), whose sum is σ = 217679616. Its totient is φ = 30764160.

The previous prime is 90214141. The next prime is 90214213. The reversal of 90214180 is 8141209.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25945 + ... + 29215.

It is an arithmetic number, because the mean of its divisors is an integer number (4534992).

Almost surely, 2^90214180 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 90214180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108839808).

90214180 is an abundant number, since it is smaller than the sum of its proper divisors (127465436).

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

90214180 is a wasteful number, since it uses less digits than its factorization.

90214180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 90214180 is about 9498.1145497409. The cubic root of 90214180 is about 448.4956846119.

Adding to 90214180 its reverse (8141209), we get a palindrome (98355389).

The spelling of 90214180 in words is "ninety million, two hundred fourteen thousand, one hundred eighty".