30246928 has 20 divisors (see below), whose sum is σ = 59210620. Its totient is φ = 14966784.

The previous prime is 30246907. The next prime is 30246929. The reversal of 30246928 is 82964203.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 24920064 = 2308^2 + 4992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30246893 and 30246902.

It is not an unprimeable number, because it can be changed into a prime (30246929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8193 + ... + 11296.

It is an arithmetic number, because the mean of its divisors is an integer number (2960531).

Almost surely, 2^30246928 is an apocalyptic number.

It is an amenable number.

30246928 is a deficient number, since it is larger than the sum of its proper divisors (28963692).

30246928 is a wasteful number, since it uses less digits than its factorization.

30246928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594 (or 19588 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 30246928 is about 5499.7207201821. The cubic root of 30246928 is about 311.5734363573.

The spelling of 30246928 in words is "thirty million, two hundred forty-six thousand, nine hundred twenty-eight".