3158985 has 8 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 1684784.

The previous prime is 3158971. The next prime is 3158989. The reversal of 3158985 is 5898513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3158985 - 2⁹ = 3158473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3158989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105285 + ... + 105314.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^3158985 is an apocalyptic number.

It is an amenable number.

3158985 is a deficient number, since it is larger than the sum of its proper divisors (1895415).

3158985 is a wasteful number, since it uses less digits than its factorization.

3158985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210607.

The product of its digits is 43200, while the sum is 39.

The square root of 3158985 is about 1777.3533694795. The cubic root of 3158985 is about 146.7289651549.

The spelling of 3158985 in words is "three million, one hundred fifty-eight thousand, nine hundred eighty-five".