19036081 has 8 divisors (see below), whose sum is σ = 20465280. Its totient is φ = 17649648.

The previous prime is 19036067. The next prime is 19036097. The reversal of 19036081 is 18063091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19036081 - 2¹³ = 19027889 is a prime.

It is a super-2 number, since 2×19036081² = 724744759677122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19036021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9766 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (2558160).

Almost surely, 2^19036081 is an apocalyptic number.

It is an amenable number.

19036081 is a deficient number, since it is larger than the sum of its proper divisors (1429199).

19036081 is a wasteful number, since it uses less digits than its factorization.

19036081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21383.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19036081 is about 4363.0357550678. The cubic root of 19036081 is about 267.0089678893.

The spelling of 19036081 in words is "nineteen million, thirty-six thousand, eighty-one".