103889018 has 8 divisors (see below), whose sum is σ = 156971412. Its totient is φ = 51565216.

The previous prime is 103889011. The next prime is 103889033. The reversal of 103889018 is 810988301.

It can be written as a sum of positive squares in 2 ways, for example, as 99062209 + 4826809 = 9953^2 + 2197^2 .

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

It is a super-2 number, since 2×103889018² = 21585856122008648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103889011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189305 + ... + 189852.

Almost surely, 2^103889018 is an apocalyptic number.

103889018 is a deficient number, since it is larger than the sum of its proper divisors (53082394).

103889018 is a wasteful number, since it uses less digits than its factorization.

103889018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379296.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 103889018 is about 10192.5962345224. The cubic root of 103889018 is about 470.0995986298.

The spelling of 103889018 in words is "one hundred three million, eight hundred eighty-nine thousand, eighteen".