100893889 has 4 divisors (see below), whose sum is σ = 101164756. Its totient is φ = 100623024.

The previous prime is 100893839. The next prime is 100893917. The reversal of 100893889 is 988398001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988398001 = 1409 ⋅701489.

It can be written as a sum of positive squares in 2 ways, for example, as 34715664 + 66178225 = 5892^2 + 8135^2 .

It is a cyclic number.

It is not a de Polignac number, because 100893889 - 2⁷ = 100893761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100893829) 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, 134874 + ... + 135619.

It is an arithmetic number, because the mean of its divisors is an integer number (25291189).

Almost surely, 2^100893889 is an apocalyptic number.

It is an amenable number.

100893889 is a deficient number, since it is larger than the sum of its proper divisors (270867).

100893889 is an equidigital number, since it uses as much as digits as its factorization.

100893889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270866.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 100893889 is about 10044.5950142353. The cubic root of 100893889 is about 465.5378045453.

The spelling of 100893889 in words is "one hundred million, eight hundred ninety-three thousand, eight hundred eighty-nine".