108808491 has 16 divisors (see below), whose sum is σ = 159672960. Its totient is φ = 65358720.

The previous prime is 108808451. The next prime is 108808499. The reversal of 108808491 is 194808801.

It is a happy number.

It is not a de Polignac number, because 108808491 - 2¹³ = 108800299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108808499) 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, 10861 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (9979560).

Almost surely, 2^108808491 is an apocalyptic number.

108808491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108808491 is a deficient number, since it is larger than the sum of its proper divisors (50864469).

108808491 is a wasteful number, since it uses less digits than its factorization.

108808491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29306.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 108808491 is about 10431.1308591159. The cubic root of 108808491 is about 477.4056954010.

The spelling of 108808491 in words is "one hundred eight million, eight hundred eight thousand, four hundred ninety-one".