103889019 has 16 divisors (see below), whose sum is σ = 149357600. Its totient is φ = 63853056.

The previous prime is 103889011. The next prime is 103889033. The reversal of 103889019 is 910988301.

It is a happy number.

It is not a de Polignac number, because 103889019 - 2³ = 103889011 is a prime.

It is a super-2 number, since 2×103889019² = 21585856537564722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103889011) 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, 57177 + ... + 58965.

It is an arithmetic number, because the mean of its divisors is an integer number (9334850).

Almost surely, 2^103889019 is an apocalyptic number.

103889019 is a deficient number, since it is larger than the sum of its proper divisors (45468581).

103889019 is a wasteful number, since it uses less digits than its factorization.

103889019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 103889019 is about 10192.5962835776. The cubic root of 103889019 is about 470.0996001381.

The spelling of 103889019 in words is "one hundred three million, eight hundred eighty-nine thousand, nineteen".