30805026 has 24 divisors (see below), whose sum is σ = 71669520. Its totient is φ = 8801352.

The previous prime is 30805009. The next prime is 30805079. The reversal of 30805026 is 62050803.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30804987 and 30805005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52096 + ... + 52683.

It is an arithmetic number, because the mean of its divisors is an integer number (2986230).

Almost surely, 2^30805026 is an apocalyptic number.

30805026 is an abundant number, since it is smaller than the sum of its proper divisors (40864494).

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

30805026 is a wasteful number, since it uses less digits than its factorization.

30805026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104798 (or 104791 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30805026 is about 5550.2275629023. The cubic root of 30805026 is about 313.4780909017.

Adding to 30805026 its reverse (62050803), we get a palindrome (92855829).

The spelling of 30805026 in words is "thirty million, eight hundred five thousand, twenty-six".