30930038 has 16 divisors (see below), whose sum is σ = 49616064. Its totient is φ = 14409600.

The previous prime is 30930023. The next prime is 30930041. The reversal of 30930038 is 83003903.

It is a junction number, because it is equal to n+sod(n) for n = 30929989 and 30930016.

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, 1070 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (3101004).

Almost surely, 2^30930038 is an apocalyptic number.

30930038 is a deficient number, since it is larger than the sum of its proper divisors (18686026).

30930038 is a wasteful number, since it uses less digits than its factorization.

30930038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30930038 is about 5561.4780409528. The cubic root of 30930038 is about 313.9015675889.

The spelling of 30930038 in words is "thirty million, nine hundred thirty thousand, thirty-eight".