3138009 has 12 divisors (see below), whose sum is σ = 4867344. Its totient is φ = 1793064.

The previous prime is 3137999. The next prime is 3138029. The reversal of 3138009 is 9008313.

It is not a de Polignac number, because 3138009 - 2⁴ = 3137993 is a prime.

It is a Curzon number.

3138009 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3138009.

It is not an unprimeable number, because it can be changed into a prime (3138029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10527 + ... + 10820.

It is an arithmetic number, because the mean of its divisors is an integer number (405612).

Almost surely, 2^3138009 is an apocalyptic number.

It is an amenable number.

3138009 is a deficient number, since it is larger than the sum of its proper divisors (1729335).

3138009 is a wasteful number, since it uses less digits than its factorization.

3138009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364 (or 21357 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3138009 is about 1771.4426324327. The cubic root of 3138009 is about 146.4034782983.

The spelling of 3138009 in words is "three million, one hundred thirty-eight thousand, nine".