2891266 has 8 divisors (see below), whose sum is σ = 4956480. Its totient is φ = 1239108.

The previous prime is 2891263. The next prime is 2891281. The reversal of 2891266 is 6621982.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2891263) 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, 103246 + ... + 103273.

It is an arithmetic number, because the mean of its divisors is an integer number (619560).

2^2891266 is an apocalyptic number.

2891266 is a deficient number, since it is larger than the sum of its proper divisors (2065214).

2891266 is a wasteful number, since it uses less digits than its factorization.

2891266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206528.

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

The square root of 2891266 is about 1700.3723121717. The cubic root of 2891266 is about 142.4610091333.

The spelling of 2891266 in words is "two million, eight hundred ninety-one thousand, two hundred sixty-six".