100804249 has 16 divisors (see below), whose sum is σ = 125177472. Its totient is φ = 79043328.

The previous prime is 100804241. The next prime is 100804259. The reversal of 100804249 is 942408001.

It is not a de Polignac number, because 100804249 - 2³ = 100804241 is a prime.

It is a super-2 number, since 2×100804249² = 20322993232908002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100804241) 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, 5382 + ... + 15184.

It is an arithmetic number, because the mean of its divisors is an integer number (7823592).

Almost surely, 2^100804249 is an apocalyptic number.

It is an amenable number.

100804249 is a deficient number, since it is larger than the sum of its proper divisors (24373223).

100804249 is a wasteful number, since it uses less digits than its factorization.

100804249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 100804249 is about 10040.1319214441. The cubic root of 100804249 is about 465.3998934058.

The spelling of 100804249 in words is "one hundred million, eight hundred four thousand, two hundred forty-nine".