817491096 has 64 divisors (see below), whose sum is σ = 2278735200. Its totient is φ = 271545984.

The previous prime is 817491091. The next prime is 817491107. The reversal of 817491096 is 690194718.

It is a happy number.

817491096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (817491091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56830 + ... + 69746.

Almost surely, 2^817491096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 817491096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139367600).

817491096 is an abundant number, since it is smaller than the sum of its proper divisors (1461244104).

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

817491096 is a wasteful number, since it uses less digits than its factorization.

817491096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225 (or 13215 counting only the distinct ones).

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

The square root of 817491096 is about 28591.8012024426. The cubic root of 817491096 is about 935.0345897391.

The spelling of 817491096 in words is "eight hundred seventeen million, four hundred ninety-one thousand, ninety-six".