2631266 has 24 divisors (see below), whose sum is σ = 4424112. Its totient is φ = 1172600.

The previous prime is 2631263. The next prime is 2631271. The reversal of 2631266 is 6621362.

2631266 = T₁₃₀ + T₁₃₁ + ... + T₂₆₁.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2631263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20021 + ... + 20151.

It is an arithmetic number, because the mean of its divisors is an integer number (184338).

2^2631266 is an apocalyptic number.

2631266 is a deficient number, since it is larger than the sum of its proper divisors (1792846).

2631266 is a wasteful number, since it uses less digits than its factorization.

2631266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 227 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 2631266 is about 1622.1177515828. The cubic root of 2631266 is about 138.0558829892.

The spelling of 2631266 in words is "two million, six hundred thirty-one thousand, two hundred sixty-six".