3688899 has 4 divisors (see below), whose sum is σ = 4918536. Its totient is φ = 2459264.

The previous prime is 3688897. The next prime is 3688903. The reversal of 3688899 is 9988863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3688899 - 2¹ = 3688897 is a prime.

It is a D-number.

It is a plaindrome in base 10.

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, 614814 + ... + 614819.

It is an arithmetic number, because the mean of its divisors is an integer number (1229634).

Almost surely, 2^3688899 is an apocalyptic number.

3688899 is a deficient number, since it is larger than the sum of its proper divisors (1229637).

3688899 is a wasteful number, since it uses less digits than its factorization.

3688899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229636.

The product of its digits is 746496, while the sum is 51.

The square root of 3688899 is about 1920.6506709967. The cubic root of 3688899 is about 154.5132004515.

The spelling of 3688899 in words is "three million, six hundred eighty-eight thousand, eight hundred ninety-nine".