30390652 has 24 divisors (see below), whose sum is σ = 56624400. Its totient is φ = 14230656.

The previous prime is 30390649. The next prime is 30390691. The reversal of 30390652 is 25609303.

It is a self number, because there is not a number n which added to its sum of digits gives 30390652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4518 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (2359350).

Almost surely, 2^30390652 is an apocalyptic number.

It is an amenable number.

30390652 is a deficient number, since it is larger than the sum of its proper divisors (26233748).

30390652 is a wasteful number, since it uses less digits than its factorization.

30390652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605 (or 4603 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 30390652 is about 5512.7717166594. The cubic root of 30390652 is about 312.0661568016.

Adding to 30390652 its reverse (25609303), we get a palindrome (55999955).

The spelling of 30390652 in words is "thirty million, three hundred ninety thousand, six hundred fifty-two".