30024021 has 16 divisors (see below), whose sum is σ = 40632768. Its totient is φ = 19718400.

The previous prime is 30024011. The next prime is 30024083. The reversal of 30024021 is 12042003.

It is not a de Polignac number, because 30024021 - 2⁹ = 30023509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30023988 and 30024006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30024011) 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 15 ways as a sum of consecutive naturals, for example, 94555 + ... + 94871.

It is an arithmetic number, because the mean of its divisors is an integer number (2539548).

Almost surely, 2^30024021 is an apocalyptic number.

It is an amenable number.

30024021 is a deficient number, since it is larger than the sum of its proper divisors (10608747).

30024021 is a wasteful number, since it uses less digits than its factorization.

30024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30024021 is about 5479.4179435411. The cubic root of 30024021 is about 310.8061605063.

Adding to 30024021 its reverse (12042003), we get a palindrome (42066024).

The spelling of 30024021 in words is "thirty million, twenty-four thousand, twenty-one".