30838012 has 12 divisors (see below), whose sum is σ = 54141136. Its totient is φ = 15369120.

The previous prime is 30837977. The next prime is 30838019. The reversal of 30838012 is 21083803.

It is a super-2 number, since 2×30838012² = 1901965968224288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30838019) 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, 11064 + ... + 13567.

Almost surely, 2^30838012 is an apocalyptic number.

It is an amenable number.

30838012 is a deficient number, since it is larger than the sum of its proper divisors (23303124).

30838012 is a wasteful number, since it uses less digits than its factorization.

30838012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24948 (or 24946 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30838012 is about 5553.1983577034. The cubic root of 30838012 is about 313.5899416937.

It can be divided in two parts, 3083801 and 2, that added together give a palindrome (3083803).

The spelling of 30838012 in words is "thirty million, eight hundred thirty-eight thousand, twelve".