30246628 has 24 divisors (see below), whose sum is σ = 53859960. Its totient is φ = 14860800.

The previous prime is 30246617. The next prime is 30246691. The reversal of 30246628 is 82664203.

It can be written as a sum of positive squares in 4 ways, for example, as 23444964 + 6801664 = 4842^2 + 2608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30246628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75228 + ... + 75628.

It is an arithmetic number, because the mean of its divisors is an integer number (2244165).

Almost surely, 2^30246628 is an apocalyptic number.

It is an amenable number.

30246628 is a deficient number, since it is larger than the sum of its proper divisors (23613332).

30246628 is a wasteful number, since it uses less digits than its factorization.

30246628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 30246628 is about 5499.6934460022. The cubic root of 30246628 is about 311.5724062544.

The spelling of 30246628 in words is "thirty million, two hundred forty-six thousand, six hundred twenty-eight".