30182939 has 8 divisors (see below), whose sum is σ = 33060960. Its totient is φ = 27427456.

The previous prime is 30182921. The next prime is 30182951. The reversal of 30182939 is 93928103.

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

It is a cyclic number.

It is not a de Polignac number, because 30182939 - 2¹² = 30178843 is a prime.

It is a super-2 number, since 2×30182939² = 1822019613355442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30182899 and 30182908.

It is not an unprimeable number, because it can be changed into a prime (30182539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30119 + ... + 31104.

It is an arithmetic number, because the mean of its divisors is an integer number (4132620).

Almost surely, 2^30182939 is an apocalyptic number.

30182939 is a deficient number, since it is larger than the sum of its proper divisors (2878021).

30182939 is a wasteful number, since it uses less digits than its factorization.

30182939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61269.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 30182939 is about 5493.9001629080. The cubic root of 30182939 is about 311.3535644569.

The spelling of 30182939 in words is "thirty million, one hundred eighty-two thousand, nine hundred thirty-nine".