30530190 has 16 divisors (see below), whose sum is σ = 73272528. Its totient is φ = 8141376.

The previous prime is 30530167. The next prime is 30530191. The reversal of 30530190 is 9103503.

It is a super-2 number, since 2×30530190² = 1864185002872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530191) 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, 508807 + ... + 508866.

It is an arithmetic number, because the mean of its divisors is an integer number (4579533).

Almost surely, 2^30530190 is an apocalyptic number.

30530190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30530190 is an abundant number, since it is smaller than the sum of its proper divisors (42742338).

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

30530190 is a wasteful number, since it uses less digits than its factorization.

30530190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017683.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 30530190 is about 5525.4131067279. The cubic root of 30530190 is about 312.5430426045.

Adding to 30530190 its reverse (9103503), we get a palindrome (39633693).

The spelling of 30530190 in words is "thirty million, five hundred thirty thousand, one hundred ninety".