100908249 has 16 divisors (see below), whose sum is σ = 145139904. Its totient is φ = 61992000.

The previous prime is 100908217. The next prime is 100908263. The reversal of 100908249 is 942809001.

It is not a de Polignac number, because 100908249 - 2⁵ = 100908217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100908299) 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, 25494 + ... + 29184.

It is an arithmetic number, because the mean of its divisors is an integer number (9071244).

Almost surely, 2^100908249 is an apocalyptic number.

It is an amenable number.

100908249 is a deficient number, since it is larger than the sum of its proper divisors (44231655).

100908249 is a wasteful number, since it uses less digits than its factorization.

100908249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 100908249 is about 10045.3098010962. The cubic root of 100908249 is about 465.5598898133.

The spelling of 100908249 in words is "one hundred million, nine hundred eight thousand, two hundred forty-nine".