30021234 has 8 divisors (see below), whose sum is σ = 60042480. Its totient is φ = 10007076.

The previous prime is 30021227. The next prime is 30021241. The reversal of 30021234 is 43212003.

It is an interprime number because it is at equal distance from previous prime (30021227) and next prime (30021241).

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

30021234 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501764 + ... + 2501775.

It is an arithmetic number, because the mean of its divisors is an integer number (7505310).

Almost surely, 2^30021234 is an apocalyptic number.

30021234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30021234 is a wasteful number, since it uses less digits than its factorization.

30021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003544.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30021234 is about 5479.1636223059. The cubic root of 30021234 is about 310.7965432782.

Adding to 30021234 its reverse (43212003), we get a palindrome (73233237).

The spelling of 30021234 in words is "thirty million, twenty-one thousand, two hundred thirty-four".