30190900 has 36 divisors (see below), whose sum is σ = 67634560. Its totient is φ = 11685600.

The previous prime is 30190843. The next prime is 30190903. The reversal of 30190900 is 909103.

It is a super-2 number, since 2×30190900² = 1822980885620000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30190903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770 + ... + 7969.

Almost surely, 2^30190900 is an apocalyptic number.

It is an amenable number.

30190900 is an abundant number, since it is smaller than the sum of its proper divisors (37443660).

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

30190900 is a wasteful number, since it uses less digits than its factorization.

30190900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9784 (or 9777 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 30190900 is about 5494.6246459608. The cubic root of 30190900 is about 311.3809360771.

The spelling of 30190900 in words is "thirty million, one hundred ninety thousand, nine hundred".