3807009 has 6 divisors (see below), whose sum is σ = 5499026. Its totient is φ = 2538000.

The previous prime is 3806981. The next prime is 3807053. The reversal of 3807009 is 9007083.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 567009 = 1800^2 + 753^2 .

It is not a de Polignac number, because 3807009 - 2¹² = 3802913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3807059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211492 + ... + 211509.

Almost surely, 2^3807009 is an apocalyptic number.

It is an amenable number.

3807009 is a deficient number, since it is larger than the sum of its proper divisors (1692017).

3807009 is a wasteful number, since it uses less digits than its factorization.

3807009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423007 (or 423004 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 3807009 is about 1951.1558113077. The cubic root of 3807009 is about 156.1449589473.

The spelling of 3807009 in words is "three million, eight hundred seven thousand, nine".