3158287 has 4 divisors (see below), whose sum is σ = 3445416. Its totient is φ = 2871160.

The previous prime is 3158257. The next prime is 3158297. The reversal of 3158287 is 7828513.

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 3158287 - 2¹¹ = 3156239 is a prime.

It is a Duffinian number.

3158287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158227) 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, 143548 + ... + 143569.

It is an arithmetic number, because the mean of its divisors is an integer number (861354).

Almost surely, 2^3158287 is an apocalyptic number.

3158287 is a deficient number, since it is larger than the sum of its proper divisors (287129).

3158287 is a wasteful number, since it uses less digits than its factorization.

3158287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287128.

The product of its digits is 13440, while the sum is 34.

The square root of 3158287 is about 1777.1569992547. The cubic root of 3158287 is about 146.7181574259.

The spelling of 3158287 in words is "three million, one hundred fifty-eight thousand, two hundred eighty-seven".