3146287 has 4 divisors (see below), whose sum is σ = 3162456. Its totient is φ = 3130120.

The previous prime is 3146279. The next prime is 3146303. The reversal of 3146287 is 7826413.

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 3146287 - 2³ = 3146279 is a prime.

It is a d-powerful number, because it can be written as 3 + 1 + 4¹⁰ + 6² + 2²¹ + 8³ + 7 .

It is a pancake number, because a pancake can be divided into 3146287 parts by 2508 straight cuts.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146237) 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, 7789 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (790614).

Almost surely, 2^3146287 is an apocalyptic number.

3146287 is a deficient number, since it is larger than the sum of its proper divisors (16169).

3146287 is a wasteful number, since it uses less digits than its factorization.

3146287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16168.

The product of its digits is 8064, while the sum is 31.

The square root of 3146287 is about 1773.7776072552. Note that the first 3 decimals coincide. The cubic root of 3146287 is about 146.5321016677.

The spelling of 3146287 in words is "three million, one hundred forty-six thousand, two hundred eighty-seven".