2851466 has 4 divisors (see below), whose sum is σ = 4277202. Its totient is φ = 1425732.

The previous prime is 2851451. The next prime is 2851469. The reversal of 2851466 is 6641582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6641582 = 2 ⋅3320791.

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 1042441 = 1345^2 + 1021^2 .

It is not an unprimeable number, because it can be changed into a prime (2851469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712865 + ... + 712868.

2^2851466 is an apocalyptic number.

2851466 is a deficient number, since it is larger than the sum of its proper divisors (1425736).

2851466 is a wasteful number, since it uses less digits than its factorization.

2851466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425735.

The product of its digits is 11520, while the sum is 32.

The square root of 2851466 is about 1688.6284375196. The cubic root of 2851466 is about 141.8042996144.

The spelling of 2851466 in words is "two million, eight hundred fifty-one thousand, four hundred sixty-six".