30190298 has 8 divisors (see below), whose sum is σ = 46509492. Its totient is φ = 14687136.

The previous prime is 30190291. The next prime is 30190301. The reversal of 30190298 is 89209103.

It can be written as a sum of positive squares in 2 ways, for example, as 22534009 + 7656289 = 4747^2 + 2767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30190298² = 1822908186657608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30190291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203915 + ... + 204062.

Almost surely, 2^30190298 is an apocalyptic number.

30190298 is a deficient number, since it is larger than the sum of its proper divisors (16319194).

30190298 is a wasteful number, since it uses less digits than its factorization.

30190298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408016.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 30190298 is about 5494.5698648757. The cubic root of 30190298 is about 311.3788664406.

The spelling of 30190298 in words is "thirty million, one hundred ninety thousand, two hundred ninety-eight".