30026412 has 72 divisors (see below), whose sum is σ = 82830384. Its totient is φ = 9115776.

The previous prime is 30026389. The next prime is 30026413. The reversal of 30026412 is 21462003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30026413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38458 + ... + 39230.

It is an arithmetic number, because the mean of its divisors is an integer number (1150422).

Almost surely, 2^30026412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30026412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41415192).

30026412 is an abundant number, since it is smaller than the sum of its proper divisors (52803972).

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

30026412 is a wasteful number, since it uses less digits than its factorization.

30026412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30026412 is about 5479.6361193057. The cubic root of 30026412 is about 310.8144107648.

Adding to 30026412 its reverse (21462003), we get a palindrome (51488415).

The spelling of 30026412 in words is "thirty million, twenty-six thousand, four hundred twelve".