2731258 has 8 divisors (see below), whose sum is σ = 4106880. Its totient is φ = 1362300.

The previous prime is 2731243. The next prime is 2731277. The reversal of 2731258 is 8521372.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (513360).

2^2731258 is an apocalyptic number.

2731258 is a deficient number, since it is larger than the sum of its proper divisors (1375622).

2731258 is a wasteful number, since it uses less digits than its factorization.

2731258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332.

The product of its digits is 3360, while the sum is 28.

The square root of 2731258 is about 1652.6518084582. The cubic root of 2731258 is about 139.7829630290.

The spelling of 2731258 in words is "two million, seven hundred thirty-one thousand, two hundred fifty-eight".