19416798 has 12 divisors (see below), whose sum is σ = 42069768. Its totient is φ = 6472260.

The previous prime is 19416797. The next prime is 19416799. The reversal of 19416798 is 89761491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19416797) and next prime (19416799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19416797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539338 + ... + 539373.

It is an arithmetic number, because the mean of its divisors is an integer number (3505814).

Almost surely, 2^19416798 is an apocalyptic number.

19416798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19416798 is an abundant number, since it is smaller than the sum of its proper divisors (22652970).

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

19416798 is a wasteful number, since it uses less digits than its factorization.

19416798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078719 (or 1078716 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 19416798 is about 4406.4495912242. The cubic root of 19416798 is about 268.7772694161. Note that the first 3 decimals are identical.

The spelling of 19416798 in words is "nineteen million, four hundred sixteen thousand, seven hundred ninety-eight".