108491297 has 8 divisors (see below), whose sum is σ = 115929000. Its totient is φ = 101170944.

The previous prime is 108491293. The next prime is 108491309. The reversal of 108491297 is 792194801.

It can be written as a sum of positive squares in 4 ways, for example, as 33131536 + 75359761 = 5756^2 + 8681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108491297 - 2² = 108491293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108491293) 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, 27422 + ... + 31127.

It is an arithmetic number, because the mean of its divisors is an integer number (14491125).

Almost surely, 2^108491297 is an apocalyptic number.

108491297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

108491297 is a deficient number, since it is larger than the sum of its proper divisors (7437703).

108491297 is a wasteful number, since it uses less digits than its factorization.

108491297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58675.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 108491297 is about 10415.9155622538. The cubic root of 108491297 is about 476.9413394572.

The spelling of 108491297 in words is "one hundred eight million, four hundred ninety-one thousand, two hundred ninety-seven".