30386830 has 16 divisors (see below), whose sum is σ = 55182384. Its totient is φ = 12046720.

The previous prime is 30386827. The next prime is 30386869. The reversal of 30386830 is 3868303.

It is a junction number, because it is equal to n+sod(n) for n = 30386792 and 30386801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12316 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (3448899).

Almost surely, 2^30386830 is an apocalyptic number.

30386830 is a deficient number, since it is larger than the sum of its proper divisors (24795554).

30386830 is a wasteful number, since it uses less digits than its factorization.

30386830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27011.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 30386830 is about 5512.4250561799. The cubic root of 30386830 is about 312.0530741948.

The spelling of 30386830 in words is "thirty million, three hundred eighty-six thousand, eight hundred thirty".