30421104 has 80 divisors (see below), whose sum is σ = 92279808. Its totient is φ = 8453376.

The previous prime is 30421051. The next prime is 30421117. The reversal of 30421104 is 40112403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11209 + ... + 13655.

Almost surely, 2^30421104 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 30421104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46139904).

30421104 is an abundant number, since it is smaller than the sum of its proper divisors (61858704).

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

30421104 is a wasteful number, since it uses less digits than its factorization.

30421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30421104 is about 5515.5329751530. The cubic root of 30421104 is about 312.1703540429.

Adding to 30421104 its reverse (40112403), we get a palindrome (70533507).

The spelling of 30421104 in words is "thirty million, four hundred twenty-one thousand, one hundred four".