30809382 has 32 divisors (see below), whose sum is σ = 63808992. Its totient is φ = 9909504.

The previous prime is 30809369. The next prime is 30809411. The reversal of 30809382 is 28390803.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29908 + ... + 30920.

It is an arithmetic number, because the mean of its divisors is an integer number (1994031).

Almost surely, 2^30809382 is an apocalyptic number.

30809382 is an abundant number, since it is smaller than the sum of its proper divisors (32999610).

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

30809382 is a wasteful number, since it uses less digits than its factorization.

30809382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 30809382 is about 5550.6199653732. The cubic root of 30809382 is about 313.4928660470.

The spelling of 30809382 in words is "thirty million, eight hundred nine thousand, three hundred eighty-two".