2646793 has 2 divisors, whose sum is σ = 2646794. Its totient is φ = 2646792.

The previous prime is 2646773. The next prime is 2646797. The reversal of 2646793 is 3976462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1630729 + 1016064 = 1277^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646793 - 2²¹ = 549641 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4¹⁰ + 6³ + 7⁴ + 9³ + 3¹³ .

2646793 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2646797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323396 + 1323397.

It is an arithmetic number, because the mean of its divisors is an integer number (1323397).

2^2646793 is an apocalyptic number.

It is an amenable number.

2646793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646793 is an equidigital number, since it uses as much as digits as its factorization.

2646793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 2646793 is about 1626.8967391940. The cubic root of 2646793 is about 138.3269047512.

The spelling of 2646793 in words is "two million, six hundred forty-six thousand, seven hundred ninety-three".