103689817 has 32 divisors (see below), whose sum is σ = 138288384. Its totient is φ = 75264000.

The previous prime is 103689787. The next prime is 103689841. The reversal of 103689817 is 718986301.

It is not a de Polignac number, because 103689817 - 2⁷ = 103689689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103684817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147567 + ... + 148267.

It is an arithmetic number, because the mean of its divisors is an integer number (4321512).

Almost surely, 2^103689817 is an apocalyptic number.

103689817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

103689817 is a deficient number, since it is larger than the sum of its proper divisors (34598567).

103689817 is a wasteful number, since it uses less digits than its factorization.

103689817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 103689817 is about 10182.8196979029. The cubic root of 103689817 is about 469.7989437314.

The spelling of 103689817 in words is "one hundred three million, six hundred eighty-nine thousand, eight hundred seventeen".