30006836 has 24 divisors (see below), whose sum is σ = 56024136. Its totient is φ = 14013440.

The previous prime is 30006829. The next prime is 30006841. The reversal of 30006836 is 63860003.

It can be written as a sum of positive squares in 4 ways, for example, as 13278736 + 16728100 = 3644^2 + 4090^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7706 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (2334339).

Almost surely, 2^30006836 is an apocalyptic number.

It is an amenable number.

30006836 is a deficient number, since it is larger than the sum of its proper divisors (26017300).

30006836 is a wasteful number, since it uses less digits than its factorization.

30006836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 30006836 is about 5477.8495780735. The cubic root of 30006836 is about 310.7468499601.

Adding to 30006836 its reverse (63860003), we get a palindrome (93866839).

The spelling of 30006836 in words is "thirty million, six thousand, eight hundred thirty-six".