3138089 has 4 divisors (see below), whose sum is σ = 3159300. Its totient is φ = 3116880.

The previous prime is 3138073. The next prime is 3138103. The reversal of 3138089 is 9808313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9808313 = 19 ⋅516227.

It can be written as a sum of positive squares in 2 ways, for example, as 1982464 + 1155625 = 1408^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 3138089 - 2⁴ = 3138073 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 10382 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (789825).

Almost surely, 2^3138089 is an apocalyptic number.

It is an amenable number.

3138089 is a deficient number, since it is larger than the sum of its proper divisors (21211).

3138089 is a wasteful number, since it uses less digits than its factorization.

3138089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3138089 is about 1771.4652127547. The cubic root of 3138089 is about 146.4047224183.

The spelling of 3138089 in words is "three million, one hundred thirty-eight thousand, eighty-nine".