103819969 has 16 divisors (see below), whose sum is σ = 121383360. Its totient is φ = 87746560.

The previous prime is 103819967. The next prime is 103819979. The reversal of 103819969 is 969918301.

It is not a de Polignac number, because 103819969 - 2¹ = 103819967 is a prime.

It is a super-2 number, since 2×103819969² = 21557171926321922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103819967) 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, 12177 + ... + 18865.

It is an arithmetic number, because the mean of its divisors is an integer number (7586460).

Almost surely, 2^103819969 is an apocalyptic number.

It is an amenable number.

103819969 is a deficient number, since it is larger than the sum of its proper divisors (17563391).

103819969 is a wasteful number, since it uses less digits than its factorization.

103819969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 103819969 is about 10189.2084579716. The cubic root of 103819969 is about 469.9954262419.

The spelling of 103819969 in words is "one hundred three million, eight hundred nineteen thousand, nine hundred sixty-nine".