30882939 has 4 divisors (see below), whose sum is σ = 41177256. Its totient is φ = 20588624.

The previous prime is 30882899. The next prime is 30882947. The reversal of 30882939 is 93928803.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30882939 - 2¹⁶ = 30817403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30882939.

It is not an unprimeable number, because it can be changed into a prime (30882949) 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 3 ways as a sum of consecutive naturals, for example, 5147154 + ... + 5147159.

It is an arithmetic number, because the mean of its divisors is an integer number (10294314).

Almost surely, 2^30882939 is an apocalyptic number.

30882939 is a deficient number, since it is larger than the sum of its proper divisors (10294317).

30882939 is a wasteful number, since it uses less digits than its factorization.

30882939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294316.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 30882939 is about 5557.2420317996. The cubic root of 30882939 is about 313.7421544786.

The spelling of 30882939 in words is "thirty million, eight hundred eighty-two thousand, nine hundred thirty-nine".