30010806 has 24 divisors (see below), whose sum is σ = 74312784. Its totient is φ = 8574480.

The previous prime is 30010789. The next prime is 30010807. The reversal of 30010806 is 60801003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118965 + ... + 119216.

It is an arithmetic number, because the mean of its divisors is an integer number (3096366).

Almost surely, 2^30010806 is an apocalyptic number.

30010806 is an abundant number, since it is smaller than the sum of its proper divisors (44301978).

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

30010806 is a wasteful number, since it uses less digits than its factorization.

30010806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238196 (or 238193 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30010806 is about 5478.2119345641. The cubic root of 30010806 is about 310.7605536218.

Adding to 30010806 its reverse (60801003), we get a palindrome (90811809).

The spelling of 30010806 in words is "thirty million, ten thousand, eight hundred six".