19218096 has 60 divisors (see below), whose sum is σ = 55252912. Its totient is φ = 6231168.

The previous prime is 19218083. The next prime is 19218107. The reversal of 19218096 is 69081291.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 19218096.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3525 + ... + 7131.

Almost surely, 2^19218096 is an apocalyptic number.

19218096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19218096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27626456).

19218096 is an abundant number, since it is smaller than the sum of its proper divisors (36034816).

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

19218096 is a wasteful number, since it uses less digits than its factorization.

19218096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 3649 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 19218096 is about 4383.8448877669. The cubic root of 19218096 is about 267.8572790247.

The spelling of 19218096 in words is "nineteen million, two hundred eighteen thousand, ninety-six".