30389086 has 16 divisors (see below), whose sum is σ = 56103264. Its totient is φ = 12021984.

The previous prime is 30389063. The next prime is 30389111. The reversal of 30389086 is 68098303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83305 + ... + 83668.

It is an arithmetic number, because the mean of its divisors is an integer number (3506454).

Almost surely, 2^30389086 is an apocalyptic number.

30389086 is a deficient number, since it is larger than the sum of its proper divisors (25714178).

30389086 is a wasteful number, since it uses less digits than its factorization.

30389086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166995.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 30389086 is about 5512.6296810143. The cubic root of 30389086 is about 312.0607965569.

The spelling of 30389086 in words is "thirty million, three hundred eighty-nine thousand, eighty-six".