19489334 has 12 divisors (see below), whose sum is σ = 30279444. Its totient is φ = 9407832.

The previous prime is 19489331. The next prime is 19489357. The reversal of 19489334 is 43398491.

It is a junction number, because it is equal to n+sod(n) for n = 19489291 and 19489300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19489331) 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 5 ways as a sum of consecutive naturals, for example, 4112 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (2523287).

Almost surely, 2^19489334 is an apocalyptic number.

19489334 is a deficient number, since it is larger than the sum of its proper divisors (10790110).

19489334 is a wasteful number, since it uses less digits than its factorization.

19489334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647 (or 11618 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 19489334 is about 4414.6725812907. The cubic root of 19489334 is about 269.1115469997. Note that the first 3 decimals are identical.

The spelling of 19489334 in words is "nineteen million, four hundred eighty-nine thousand, three hundred thirty-four".