30090236 has 48 divisors (see below), whose sum is σ = 59633280. Its totient is φ = 13168320.

The previous prime is 30090191. The next prime is 30090241. The reversal of 30090236 is 63209003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173846 + ... + 174018.

It is an arithmetic number, because the mean of its divisors is an integer number (1242360).

Almost surely, 2^30090236 is an apocalyptic number.

It is an amenable number.

30090236 is a deficient number, since it is larger than the sum of its proper divisors (29543044).

30090236 is a wasteful number, since it uses less digits than its factorization.

30090236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 30090236 is about 5485.4567722296. The cubic root of 30090236 is about 311.0344767973.

Adding to 30090236 its reverse (63209003), we get a palindrome (93299239).

The spelling of 30090236 in words is "thirty million, ninety thousand, two hundred thirty-six".