2981266 has 4 divisors (see below), whose sum is σ = 4471902. Its totient is φ = 1490632.

The previous prime is 2981263. The next prime is 2981311. The reversal of 2981266 is 6621892.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 108241 = 1695^2 + 329^2 .

It is not an unprimeable number, because it can be changed into a prime (2981263) by changing a digit.

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 as a sum of consecutive naturals, namely, 745315 + ... + 745318.

2^2981266 is an apocalyptic number.

2981266 is a deficient number, since it is larger than the sum of its proper divisors (1490636).

2981266 is a wasteful number, since it uses less digits than its factorization.

2981266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490635.

The product of its digits is 10368, while the sum is 34.

The square root of 2981266 is about 1726.6342982809. The cubic root of 2981266 is about 143.9241176846.

The spelling of 2981266 in words is "two million, nine hundred eighty-one thousand, two hundred sixty-six".