30943248 has 160 divisors (see below), whose sum is σ = 99517440. Its totient is φ = 8087040.

The previous prime is 30943219. The next prime is 30943259. The reversal of 30943248 is 84234903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236143 + ... + 236273.

It is an arithmetic number, because the mean of its divisors is an integer number (621984).

Almost surely, 2^30943248 is an apocalyptic number.

30943248 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30943248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49758720).

30943248 is an abundant number, since it is smaller than the sum of its proper divisors (68574192).

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

30943248 is a wasteful number, since it uses less digits than its factorization.

30943248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 30943248 is about 5562.6655480983. The cubic root of 30943248 is about 313.9462496065.

The spelling of 30943248 in words is "thirty million, nine hundred forty-three thousand, two hundred forty-eight".