30808044 has 72 divisors (see below), whose sum is σ = 83232240. Its totient is φ = 9580032.

The previous prime is 30808039. The next prime is 30808049. The reversal of 30808044 is 44080803.

It is an interprime number because it is at equal distance from previous prime (30808039) and next prime (30808049).

It is a junction number, because it is equal to n+sod(n) for n = 30807999 and 30808017.

It is not an unprimeable number, because it can be changed into a prime (30808049) 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, 49624 + ... + 50240.

Almost surely, 2^30808044 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 30808044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41616120).

30808044 is an abundant number, since it is smaller than the sum of its proper divisors (52424196).

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

30808044 is a wasteful number, since it uses less digits than its factorization.

30808044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 30808044 is about 5550.4994369876. The cubic root of 30808044 is about 313.4883278241.

Adding to 30808044 its reverse (44080803), we get a palindrome (74888847).

The spelling of 30808044 in words is "thirty million, eight hundred eight thousand, forty-four".