19086116 has 12 divisors (see below), whose sum is σ = 38172288. Its totient is φ = 8179752.

The previous prime is 19086103. The next prime is 19086157. The reversal of 19086116 is 61168091.

19086116 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340796 + ... + 340851.

It is an arithmetic number, because the mean of its divisors is an integer number (3181024).

Almost surely, 2^19086116 is an apocalyptic number.

It is an amenable number.

19086116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19086116 is a wasteful number, since it uses less digits than its factorization.

19086116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681658 (or 681656 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 19086116 is about 4368.7659584830. The cubic root of 19086116 is about 267.2427013221.

The spelling of 19086116 in words is "nineteen million, eighty-six thousand, one hundred sixteen".