103688469 has 6 divisors (see below), whose sum is σ = 149772246. Its totient is φ = 69125640.

The previous prime is 103688447. The next prime is 103688503. The reversal of 103688469 is 964886301.

103688469 is a `hidden beast` number, since 103 + 6 + 88 + 469 = 666.

It can be written as a sum of positive squares in only one way, i.e., 95062500 + 8625969 = 9750^2 + 2937^2 .

It is not a de Polignac number, because 103688469 - 2⁷ = 103688341 is a prime.

It is a super-2 number, since 2×103688469² = 21502597207127922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103688269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5760462 + ... + 5760479.

It is an arithmetic number, because the mean of its divisors is an integer number (24962041).

Almost surely, 2^103688469 is an apocalyptic number.

It is an amenable number.

103688469 is a deficient number, since it is larger than the sum of its proper divisors (46083777).

103688469 is a wasteful number, since it uses less digits than its factorization.

103688469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520947 (or 11520944 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 103688469 is about 10182.7535077699. The cubic root of 103688469 is about 469.7969078783.

The spelling of 103688469 in words is "one hundred three million, six hundred eighty-eight thousand, four hundred sixty-nine".