30049960 has 64 divisors (see below), whose sum is σ = 71539200. Its totient is φ = 11337216.

The previous prime is 30049913. The next prime is 30049961. The reversal of 30049960 is 6994003.

It is not an unprimeable number, because it can be changed into a prime (30049961) 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, 81697 + ... + 82063.

It is an arithmetic number, because the mean of its divisors is an integer number (1117800).

Almost surely, 2^30049960 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 30049960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35769600).

30049960 is an abundant number, since it is smaller than the sum of its proper divisors (41489240).

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

30049960 is a wasteful number, since it uses less digits than its factorization.

30049960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30049960 is about 5481.7843810205. The cubic root of 30049960 is about 310.8956408639.

The spelling of 30049960 in words is "thirty million, forty-nine thousand, nine hundred sixty".