2668319 has 8 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 2548000.

The previous prime is 2668313. The next prime is 2668333. The reversal of 2668319 is 9138662.

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 2668319 - 2⁸ = 2668063 is a prime.

It is a super-2 number, since 2×2668319² = 14239852571522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

2^2668319 is an apocalyptic number.

2668319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2668319 is a deficient number, since it is larger than the sum of its proper divisors (122401).

2668319 is a wasteful number, since it uses less digits than its factorization.

2668319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its digits is 15552, while the sum is 35.

The square root of 2668319 is about 1633.4990052032. The cubic root of 2668319 is about 138.7008905551.

The spelling of 2668319 in words is "two million, six hundred sixty-eight thousand, three hundred nineteen".