3869659 has 4 divisors (see below), whose sum is σ = 4097304. Its totient is φ = 3642016.

The previous prime is 3869653. The next prime is 3869683. The reversal of 3869659 is 9569683.

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 3869659 - 2⁵ = 3869627 is a prime.

It is a Duffinian number.

3869659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3869653) 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, 113797 + ... + 113830.

It is an arithmetic number, because the mean of its divisors is an integer number (1024326).

Almost surely, 2^3869659 is an apocalyptic number.

3869659 is a deficient number, since it is larger than the sum of its proper divisors (227645).

3869659 is a wasteful number, since it uses less digits than its factorization.

3869659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227644.

The product of its digits is 349920, while the sum is 46.

The square root of 3869659 is about 1967.1448853605. The cubic root of 3869659 is about 156.9968355076.

The spelling of 3869659 in words is "three million, eight hundred sixty-nine thousand, six hundred fifty-nine".