3158439 has 4 divisors (see below), whose sum is σ = 4211256. Its totient is φ = 2105624.

The previous prime is 3158401. The next prime is 3158443. The reversal of 3158439 is 9348513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3158439 - 2⁹ = 3157927 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158489) 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, 526404 + ... + 526409.

It is an arithmetic number, because the mean of its divisors is an integer number (1052814).

Almost surely, 2^3158439 is an apocalyptic number.

3158439 is a deficient number, since it is larger than the sum of its proper divisors (1052817).

3158439 is a wasteful number, since it uses less digits than its factorization.

3158439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052816.

The product of its digits is 12960, while the sum is 33.

The square root of 3158439 is about 1777.1997636732. The cubic root of 3158439 is about 146.7205111071.

The spelling of 3158439 in words is "three million, one hundred fifty-eight thousand, four hundred thirty-nine".