19795494 has 16 divisors (see below), whose sum is σ = 39647232. Its totient is φ = 6589128.

The previous prime is 19795493. The next prime is 19795543. The reversal of 19795494 is 49459791.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19795493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3267 + ... + 7089.

It is an arithmetic number, because the mean of its divisors is an integer number (2477952).

Almost surely, 2^19795494 is an apocalyptic number.

19795494 is an abundant number, since it is smaller than the sum of its proper divisors (19851738).

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

19795494 is a wasteful number, since it uses less digits than its factorization.

19795494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its digits is 408240, while the sum is 48.

The square root of 19795494 is about 4449.2127393506. The cubic root of 19795494 is about 270.5133990217.

The spelling of 19795494 in words is "nineteen million, seven hundred ninety-five thousand, four hundred ninety-four".