2643466 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 1026816.

The previous prime is 2643461. The next prime is 2643479. The reversal of 2643466 is 6643462.

It is not an unprimeable number, because it can be changed into a prime (2643461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6711 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^2643466 is an apocalyptic number.

2643466 is a deficient number, since it is larger than the sum of its proper divisors (2333174).

2643466 is a wasteful number, since it uses less digits than its factorization.

2643466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 20736, while the sum is 31.

The square root of 2643466 is about 1625.8739188510. The cubic root of 2643466 is about 138.2689218041.

The spelling of 2643466 in words is "two million, six hundred forty-three thousand, four hundred sixty-six".