100104493 has 4 divisors (see below), whose sum is σ = 102546108. Its totient is φ = 97662880.

The previous prime is 100104481. The next prime is 100104509. The reversal of 100104493 is 394401001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10745284 + 89359209 = 3278^2 + 9453^2 .

It is a cyclic number.

It is not a de Polignac number, because 100104493 - 2⁵ = 100104461 is a prime.

It is a super-3 number, since 3×100104493³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100104413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220746 + ... + 1220827.

It is an arithmetic number, because the mean of its divisors is an integer number (25636527).

Almost surely, 2^100104493 is an apocalyptic number.

It is an amenable number.

100104493 is a deficient number, since it is larger than the sum of its proper divisors (2441615).

100104493 is an equidigital number, since it uses as much as digits as its factorization.

100104493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441614.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 100104493 is about 10005.2232858642. The cubic root of 100104493 is about 464.3204982629.

Adding to 100104493 its reverse (394401001), we get a palindrome (494505494).

The spelling of 100104493 in words is "one hundred million, one hundred four thousand, four hundred ninety-three".