30490230 has 16 divisors (see below), whose sum is σ = 73176624. Its totient is φ = 8130720.

The previous prime is 30490199. The next prime is 30490237. The reversal of 30490230 is 3209403.

It is a junction number, because it is equal to n+sod(n) for n = 30490197 and 30490206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30490237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508141 + ... + 508200.

It is an arithmetic number, because the mean of its divisors is an integer number (4573539).

Almost surely, 2^30490230 is an apocalyptic number.

30490230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30490230 is an abundant number, since it is smaller than the sum of its proper divisors (42686394).

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

30490230 is a wasteful number, since it uses less digits than its factorization.

30490230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016351.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30490230 is about 5521.7959035082. The cubic root of 30490230 is about 312.4066238350.

Adding to 30490230 its reverse (3209403), we get a palindrome (33699633).

The spelling of 30490230 in words is "thirty million, four hundred ninety thousand, two hundred thirty".