30019349 has 8 divisors (see below), whose sum is σ = 30340800. Its totient is φ = 29700000.

The previous prime is 30019343. The next prime is 30019387. The reversal of 30019349 is 94391003.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30019349 is a prime.

It is a super-2 number, since 2×30019349² = 1802322628767602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30019343) 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, 49649 + ... + 50249.

It is an arithmetic number, because the mean of its divisors is an integer number (3792600).

Almost surely, 2^30019349 is an apocalyptic number.

It is an amenable number.

30019349 is a deficient number, since it is larger than the sum of its proper divisors (321451).

30019349 is a wasteful number, since it uses less digits than its factorization.

30019349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 30019349 is about 5478.9916043009. The cubic root of 30019349 is about 310.7900382852.

The spelling of 30019349 in words is "thirty million, nineteen thousand, three hundred forty-nine".