30502938 has 8 divisors (see below), whose sum is σ = 61005888. Its totient is φ = 10167644.

The previous prime is 30502933. The next prime is 30502939. The reversal of 30502938 is 83920503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

30502938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30502933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541906 + ... + 2541917.

It is an arithmetic number, because the mean of its divisors is an integer number (7625736).

Almost surely, 2^30502938 is an apocalyptic number.

30502938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30502938 is a wasteful number, since it uses less digits than its factorization.

30502938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083828.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30502938 is about 5522.9464962102. The cubic root of 30502938 is about 312.4500203803.

The spelling of 30502938 in words is "thirty million, five hundred two thousand, nine hundred thirty-eight".