19475834 has 12 divisors (see below), whose sum is σ = 33983514. Its totient is φ = 8346744.

The previous prime is 19475809. The next prime is 19475837. The reversal of 19475834 is 43857491.

It can be written as a sum of positive squares in only one way, i.e., 13300609 + 6175225 = 3647^2 + 2485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19475791 and 19475800.

It is not an unprimeable number, because it can be changed into a prime (19475837) 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 5 ways as a sum of consecutive naturals, for example, 99269 + ... + 99464.

Almost surely, 2^19475834 is an apocalyptic number.

19475834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19475834 is a deficient number, since it is larger than the sum of its proper divisors (14507680).

19475834 is a wasteful number, since it uses less digits than its factorization.

19475834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198749 (or 198742 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 19475834 is about 4413.1433242078. The cubic root of 19475834 is about 269.0493959952.

It can be divided in two parts, 19475 and 834, that multiplied together give a triangular number (16242150 = T₅₆₉₉).

The spelling of 19475834 in words is "nineteen million, four hundred seventy-five thousand, eight hundred thirty-four".