3685688404 has 12 divisors (see below), whose sum is σ = 6453176128. Its totient is φ = 1841923800.

The previous prime is 3685688401. The next prime is 3685688411. The reversal of 3685688404 is 4048865863.

It is a super-3 number, since 3×3685688404³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685688401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221052 + ... + 237139.

Almost surely, 2^3685688404 is an apocalyptic number.

It is an amenable number.

3685688404 is a deficient number, since it is larger than the sum of its proper divisors (2767487724).

3685688404 is a wasteful number, since it uses less digits than its factorization.

3685688404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460206 (or 460204 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The square root of 3685688404 is about 60709.8707295609. The cubic root of 3685688404 is about 1544.6836110583.

The spelling of 3685688404 in words is "three billion, six hundred eighty-five million, six hundred eighty-eight thousand, four hundred four".