30916038 has 16 divisors (see below), whose sum is σ = 62107200. Its totient is φ = 10259496.

The previous prime is 30916037. The next prime is 30916057. The reversal of 30916038 is 83061903.

It is a junction number, because it is equal to n+sod(n) for n = 30915996 and 30916014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30916033) by changing a digit.

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, 9988 + ... + 12711.

It is an arithmetic number, because the mean of its divisors is an integer number (3881700).

Almost surely, 2^30916038 is an apocalyptic number.

30916038 is an abundant number, since it is smaller than the sum of its proper divisors (31191162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30916038 is a wasteful number, since it uses less digits than its factorization.

30916038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22931.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 30916038 is about 5560.2192402818. The cubic root of 30916038 is about 313.8541995560.

The spelling of 30916038 in words is "thirty million, nine hundred sixteen thousand, thirty-eight".