2631284 has 12 divisors (see below), whose sum is σ = 4623108. Its totient is φ = 1310400.

The previous prime is 2631283. The next prime is 2631323. The reversal of 2631284 is 4821362.

It can be written as a sum of positive squares in 2 ways, for example, as 1747684 + 883600 = 1322^2 + 940^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 6⁵ + 3 + 1 + 2¹⁹ + 8⁷ + 4² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631281) 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, 47 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (385259).

2^2631284 is an apocalyptic number.

It is an amenable number.

2631284 is a deficient number, since it is larger than the sum of its proper divisors (1991824).

2631284 is a wasteful number, since it uses less digits than its factorization.

2631284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626 (or 2624 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2631284 is about 1622.1232998758. The cubic root of 2631284 is about 138.0561977934.

The spelling of 2631284 in words is "two million, six hundred thirty-one thousand, two hundred eighty-four".