3690869 has 8 divisors (see below), whose sum is σ = 4542720. Its totient is φ = 2920176.

The previous prime is 3690857. The next prime is 3690871. The reversal of 3690869 is 9680963.

3690869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3690869 - 2⁸ = 3690613 is a prime.

It is a super-2 number, since 2×3690869² = 27245027950322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20189 + ... + 20370.

It is an arithmetic number, because the mean of its divisors is an integer number (567840).

Almost surely, 2^3690869 is an apocalyptic number.

It is an amenable number.

3690869 is a deficient number, since it is larger than the sum of its proper divisors (851851).

3690869 is a wasteful number, since it uses less digits than its factorization.

3690869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40579.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3690869 is about 1921.1634495794. The cubic root of 3690869 is about 154.5407006926.

The spelling of 3690869 in words is "three million, six hundred ninety thousand, eight hundred sixty-nine".