30338842 has 8 divisors (see below), whose sum is σ = 45926100. Its totient is φ = 15030144.

The previous prime is 30338831. The next prime is 30338849. The reversal of 30338842 is 24883303.

It can be written as a sum of positive squares in 2 ways, for example, as 30261001 + 77841 = 5501^2 + 279^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30338849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69367 + ... + 69802.

Almost surely, 2^30338842 is an apocalyptic number.

30338842 is a deficient number, since it is larger than the sum of its proper divisors (15587258).

30338842 is a wasteful number, since it uses less digits than its factorization.

30338842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139280.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 30338842 is about 5508.0706240933. The cubic root of 30338842 is about 311.8887190804. Note that the first 3 decimals are identical.

The spelling of 30338842 in words is "thirty million, three hundred thirty-eight thousand, eight hundred forty-two".