100091449 has 8 divisors (see below), whose sum is σ = 105914880. Its totient is φ = 94323600.

The previous prime is 100091419. The next prime is 100091471. The reversal of 100091449 is 944190001.

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

It is not a de Polignac number, because 100091449 - 2⁵ = 100091417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100091419) 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, 10162 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (13239360).

Almost surely, 2^100091449 is an apocalyptic number.

100091449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100091449 is a deficient number, since it is larger than the sum of its proper divisors (5823431).

100091449 is a wasteful number, since it uses less digits than its factorization.

100091449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27791.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 100091449 is about 10004.5714051128. The cubic root of 100091449 is about 464.3003298053.

The spelling of 100091449 in words is "one hundred million, ninety-one thousand, four hundred forty-nine".