30019441 has 3 divisors (see below), whose sum is σ = 30024921. Its totient is φ = 30013962.

The previous prime is 30019387. The next prime is 30019471. The reversal of 30019441 is 14491003.

The square root of 30019441 is 5479.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14491003 = 353 ⋅41051.

It is not a de Polignac number, because 30019441 - 2⁷ = 30019313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30019471) 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 2 ways as a sum of consecutive naturals, for example, 2740 + ... + 8218.

It is an arithmetic number, because the mean of its divisors is an integer number (10008307).

Almost surely, 2^30019441 is an apocalyptic number.

30019441 is the 5479-th square number.

30019441 is the 2740-th centered octagonal number.

It is an amenable number.

30019441 is a deficient number, since it is larger than the sum of its proper divisors (5480).

30019441 is an frugal number, since it uses more digits than its factorization.

30019441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The cubic root of 30019441 is about 310.7903557766.

The spelling of 30019441 in words is "thirty million, nineteen thousand, four hundred forty-one".