30280886 has 8 divisors (see below), whose sum is σ = 45544224. Its totient is φ = 15099480.

The previous prime is 30280879. The next prime is 30280897. The reversal of 30280886 is 68808203.

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, 19550 + ... + 21041.

It is an arithmetic number, because the mean of its divisors is an integer number (5693028).

Almost surely, 2^30280886 is an apocalyptic number.

30280886 is a deficient number, since it is larger than the sum of its proper divisors (15263338).

30280886 is a wasteful number, since it uses less digits than its factorization.

30280886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40966.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 30280886 is about 5502.8071018345. The cubic root of 30280886 is about 311.6899931385.

The spelling of 30280886 in words is "thirty million, two hundred eighty thousand, eight hundred eighty-six".