30803826 has 16 divisors (see below), whose sum is σ = 64850400. Its totient is φ = 9727488.

The previous prime is 30803821. The next prime is 30803827. The reversal of 30803826 is 62830803.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30803793 and 30803802.

It is not an unprimeable number, because it can be changed into a prime (30803821) 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, 134991 + ... + 135218.

It is an arithmetic number, because the mean of its divisors is an integer number (4053150).

Almost surely, 2^30803826 is an apocalyptic number.

30803826 is an abundant number, since it is smaller than the sum of its proper divisors (34046574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30803826 is a wasteful number, since it uses less digits than its factorization.

30803826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270233.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 30803826 is about 5550.1194581739. The cubic root of 30803826 is about 313.4740203690.

The spelling of 30803826 in words is "thirty million, eight hundred three thousand, eight hundred twenty-six".