3689899 has 8 divisors (see below), whose sum is σ = 3913088. Its totient is φ = 3473280.

The previous prime is 3689887. The next prime is 3689911. The reversal of 3689899 is 9989863.

It is an interprime number because it is at equal distance from previous prime (3689887) and next prime (3689911).

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

It is a cyclic number.

It is not a de Polignac number, because 3689899 - 2⁷ = 3689771 is a prime.

It is a Duffinian number.

3689899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3689809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (489136).

Almost surely, 2^3689899 is an apocalyptic number.

3689899 is a deficient number, since it is larger than the sum of its proper divisors (223189).

3689899 is a wasteful number, since it uses less digits than its factorization.

3689899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285.

The product of its digits is 839808, while the sum is 52.

The square root of 3689899 is about 1920.9109818000. The cubic root of 3689899 is about 154.5271611880.

The spelling of 3689899 in words is "three million, six hundred eighty-nine thousand, eight hundred ninety-nine".