90006030 has 48 divisors (see below), whose sum is σ = 236854800. Its totient is φ = 23710464.

The previous prime is 90006023. The next prime is 90006047. The reversal of 90006030 is 3060009.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 90005994 and 90006012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446 + ... + 13494.

It is an arithmetic number, because the mean of its divisors is an integer number (4934475).

Almost surely, 2^90006030 is an apocalyptic number.

90006030 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 90006030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118427400).

90006030 is an abundant number, since it is smaller than the sum of its proper divisors (146848770).

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

90006030 is a wasteful number, since it uses less digits than its factorization.

90006030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12145 (or 12142 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 90006030 is about 9487.1507840869. The cubic root of 90006030 is about 448.1504829028.

Adding to 90006030 its reverse (3060009), we get a palindrome (93066039).

The spelling of 90006030 in words is "ninety million, six thousand, thirty".