3854009 has 4 divisors (see below), whose sum is σ = 3858420. Its totient is φ = 3849600.

The previous prime is 3854003. The next prime is 3854023. The reversal of 3854009 is 9004583.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 714025 + 3139984 = 845^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 3854009 - 2⁸ = 3853753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3854003) 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, 404 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (964605).

Almost surely, 2^3854009 is an apocalyptic number.

It is an amenable number.

3854009 is a deficient number, since it is larger than the sum of its proper divisors (4411).

3854009 is a wasteful number, since it uses less digits than its factorization.

3854009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3854009 is about 1963.1630090240. The cubic root of 3854009 is about 156.7849029483.

The spelling of 3854009 in words is "three million, eight hundred fifty-four thousand, nine".