2646993 has 8 divisors (see below), whose sum is σ = 3604608. Its totient is φ = 1727024.

The previous prime is 2646991. The next prime is 2647003. The reversal of 2646993 is 3996462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2646993 - 2¹ = 2646991 is a prime.

2646993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2646991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9246 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (450576).

2^2646993 is an apocalyptic number.

It is an amenable number.

2646993 is a deficient number, since it is larger than the sum of its proper divisors (957615).

2646993 is a wasteful number, since it uses less digits than its factorization.

2646993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18823.

The product of its digits is 69984, while the sum is 39.

The square root of 2646993 is about 1626.9582047490. The cubic root of 2646993 is about 138.3303888020.

It can be divided in two parts, 26469 and 93, that added together give a palindrome (26562).

The spelling of 2646993 in words is "two million, six hundred forty-six thousand, nine hundred ninety-three".