2606993 has 4 divisors (see below), whose sum is σ = 2611380. Its totient is φ = 2602608.

The previous prime is 2606969. The next prime is 2606999. The reversal of 2606993 is 3996062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1183744 + 1423249 = 1088^2 + 1193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2606993 - 2¹⁶ = 2541457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (652845).

2^2606993 is an apocalyptic number.

It is an amenable number.

2606993 is a deficient number, since it is larger than the sum of its proper divisors (4387).

2606993 is an equidigital number, since it uses as much as digits as its factorization.

2606993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2606993 is about 1614.6185307991. The cubic root of 2606993 is about 137.6300565595.

It can be divided in two parts, 26069 and 93, that added together give a palindrome (26162).

The spelling of 2606993 in words is "two million, six hundred six thousand, nine hundred ninety-three".