90002030 has 8 divisors (see below), whose sum is σ = 162003672. Its totient is φ = 36000808.

The previous prime is 90001999. The next prime is 90002041. The reversal of 90002030 is 3020009.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90001996 and 90002014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500092 + ... + 4500111.

It is an arithmetic number, because the mean of its divisors is an integer number (20250459).

Almost surely, 2^90002030 is an apocalyptic number.

90002030 is a deficient number, since it is larger than the sum of its proper divisors (72001642).

90002030 is a wasteful number, since it uses less digits than its factorization.

90002030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000210.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 90002030 is about 9486.9399702960. The cubic root of 90002030 is about 448.1438439828.

Adding to 90002030 its reverse (3020009), we get a palindrome (93022039).

The spelling of 90002030 in words is "ninety million, two thousand, thirty".