2731006 has 4 divisors (see below), whose sum is σ = 4096512. Its totient is φ = 1365502.

The previous prime is 2730991. The next prime is 2731013. The reversal of 2731006 is 6001372.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682750 + ... + 682753.

It is an arithmetic number, because the mean of its divisors is an integer number (1024128).

2^2731006 is an apocalyptic number.

2731006 is a deficient number, since it is larger than the sum of its proper divisors (1365506).

2731006 is a wasteful number, since it uses less digits than its factorization.

2731006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365505.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2731006 is about 1652.5755655945. The cubic root of 2731006 is about 139.7786638635.

Adding to 2731006 its reverse (6001372), we get a palindrome (8732378).

The spelling of 2731006 in words is "two million, seven hundred thirty-one thousand, six".