2646473 has 2 divisors, whose sum is σ = 2646474. Its totient is φ = 2646472.

The previous prime is 2646463. The next prime is 2646493. The reversal of 2646473 is 3746462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1507984 + 1138489 = 1228^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646473 - 2⁶ = 2646409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2646443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323236 + 1323237.

It is an arithmetic number, because the mean of its divisors is an integer number (1323237).

2^2646473 is an apocalyptic number.

It is an amenable number.

2646473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646473 is an equidigital number, since it uses as much as digits as its factorization.

2646473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 2646473 is about 1626.7983894755. The cubic root of 2646473 is about 138.3213299047.

The spelling of 2646473 in words is "two million, six hundred forty-six thousand, four hundred seventy-three".