30190830 has 16 divisors (see below), whose sum is σ = 72458064. Its totient is φ = 8050880.

The previous prime is 30190777. The next prime is 30190837. The reversal of 30190830 is 3809103.

It is a super-2 number, since 2×30190830² = 1822972432177800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30190830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30190837) 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, 503151 + ... + 503210.

It is an arithmetic number, because the mean of its divisors is an integer number (4528629).

Almost surely, 2^30190830 is an apocalyptic number.

30190830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30190830 is an abundant number, since it is smaller than the sum of its proper divisors (42267234).

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

30190830 is a wasteful number, since it uses less digits than its factorization.

30190830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006371.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 30190830 is about 5494.6182760953. The cubic root of 30190830 is about 311.3806954231.

Adding to 30190830 its reverse (3809103), we get a palindrome (33999933).

The spelling of 30190830 in words is "thirty million, one hundred ninety thousand, eight hundred thirty".