19795081 has 16 divisors (see below), whose sum is σ = 21450240. Its totient is φ = 18224640.

The previous prime is 19795079. The next prime is 19795099. The reversal of 19795081 is 18059791.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19795081 - 2¹ = 19795079 is a prime.

It is a super-2 number, since 2×19795081² = 783690463593122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19795051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87090 + ... + 87316.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^19795081 is an apocalyptic number.

It is an amenable number.

19795081 is a deficient number, since it is larger than the sum of its proper divisors (1655159).

19795081 is a wasteful number, since it uses less digits than its factorization.

19795081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 19795081 is about 4449.1663264032. The cubic root of 19795081 is about 270.5115177382.

The spelling of 19795081 in words is "nineteen million, seven hundred ninety-five thousand, eighty-one".