3688898 has 8 divisors (see below), whose sum is σ = 5858892. Its totient is φ = 1735936.

The previous prime is 3688897. The next prime is 3688903. The reversal of 3688898 is 8988863.

It can be written as a sum of positive squares in 2 ways, for example, as 2866249 + 822649 = 1693^2 + 907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3688897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54215 + ... + 54282.

Almost surely, 2^3688898 is an apocalyptic number.

3688898 is a deficient number, since it is larger than the sum of its proper divisors (2169994).

3688898 is a wasteful number, since it uses less digits than its factorization.

3688898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108516.

The product of its digits is 663552, while the sum is 50.

The square root of 3688898 is about 1920.6504106682. The cubic root of 3688898 is about 154.5131864895.

The spelling of 3688898 in words is "three million, six hundred eighty-eight thousand, eight hundred ninety-eight".