30730886 has 8 divisors (see below), whose sum is σ = 46119864. Its totient is φ = 15357600.

The previous prime is 30730877. The next prime is 30730901. The reversal of 30730886 is 68803703.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5561 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (5764983).

Almost surely, 2^30730886 is an apocalyptic number.

30730886 is a deficient number, since it is larger than the sum of its proper divisors (15388978).

30730886 is a wasteful number, since it uses less digits than its factorization.

30730886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30730886 is about 5543.5445339602. The cubic root of 30730886 is about 313.2264010645.

The spelling of 30730886 in words is "thirty million, seven hundred thirty thousand, eight hundred eighty-six".