30449048 has 32 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 12890400.

The previous prime is 30449047. The next prime is 30449053. The reversal of 30449048 is 84094403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30449047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^30449048 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 30449048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33022080).

30449048 is an abundant number, since it is smaller than the sum of its proper divisors (35595112).

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

30449048 is a wasteful number, since it uses less digits than its factorization.

30449048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647 (or 6643 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 30449048 is about 5518.0656030895. The cubic root of 30449048 is about 312.2659085276.

The spelling of 30449048 in words is "thirty million, four hundred forty-nine thousand, forty-eight".