108654491 has 6 divisors (see below), whose sum is σ = 119430276. Its totient is φ = 98776700.

The previous prime is 108654457. The next prime is 108654523. The reversal of 108654491 is 194456801.

It is not a de Polignac number, because 108654491 - 2¹⁴ = 108638107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108654451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448865 + ... + 449106.

It is an arithmetic number, because the mean of its divisors is an integer number (19905046).

Almost surely, 2^108654491 is an apocalyptic number.

108654491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108654491 is a deficient number, since it is larger than the sum of its proper divisors (10775785).

108654491 is an equidigital number, since it uses as much as digits as its factorization.

108654491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897993 (or 897982 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 108654491 is about 10423.7464953826. The cubic root of 108654491 is about 477.1803600773.

The spelling of 108654491 in words is "one hundred eight million, six hundred fifty-four thousand, four hundred ninety-one".