30028361 has 8 divisors (see below), whose sum is σ = 32798304. Its totient is φ = 27265120.

The previous prime is 30028357. The next prime is 30028399. The reversal of 30028361 is 16382003.

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

It is a cyclic number.

It is not a de Polignac number, because 30028361 - 2² = 30028357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30028351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14741 + ... + 16653.

It is an arithmetic number, because the mean of its divisors is an integer number (4099788).

Almost surely, 2^30028361 is an apocalyptic number.

It is an amenable number.

30028361 is a deficient number, since it is larger than the sum of its proper divisors (2769943).

30028361 is a wasteful number, since it uses less digits than its factorization.

30028361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30028361 is about 5479.8139566960. The cubic root of 30028361 is about 310.8211355574.

The spelling of 30028361 in words is "thirty million, twenty-eight thousand, three hundred sixty-one".