3905069 has 8 divisors (see below), whose sum is σ = 4475328. Its totient is φ = 3337920.

The previous prime is 3905059. The next prime is 3905107. The reversal of 3905069 is 9605093.

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 3905069 - 2¹⁶ = 3839533 is a prime.

It is a super-2 number, since 2×3905069² = 30499127789522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3509 + ... + 4485.

It is an arithmetic number, because the mean of its divisors is an integer number (559416).

Almost surely, 2^3905069 is an apocalyptic number.

It is an amenable number.

3905069 is a deficient number, since it is larger than the sum of its proper divisors (570259).

3905069 is an equidigital number, since it uses as much as digits as its factorization.

3905069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 3905069 is about 1976.1247430261. The cubic root of 3905069 is about 157.4742579916.

The spelling of 3905069 in words is "three million, nine hundred five thousand, sixty-nine".