19317116 has 24 divisors (see below), whose sum is σ = 41606880. Its totient is φ = 7641792.

The previous prime is 19317113. The next prime is 19317121. The reversal of 19317116 is 61171391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19317113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26171 + ... + 26898.

It is an arithmetic number, because the mean of its divisors is an integer number (1733620).

Almost surely, 2^19317116 is an apocalyptic number.

It is an amenable number.

19317116 is an abundant number, since it is smaller than the sum of its proper divisors (22289764).

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

19317116 is a wasteful number, since it uses less digits than its factorization.

19317116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53093 (or 53091 counting only the distinct ones).

The product of its digits is 1134, while the sum is 29.

The square root of 19317116 is about 4395.1241165637. The cubic root of 19317116 is about 268.3165302888.

The spelling of 19317116 in words is "nineteen million, three hundred seventeen thousand, one hundred sixteen".