2668194 has 16 divisors (see below), whose sum is σ = 5929440. Its totient is φ = 889380.

The previous prime is 2668177. The next prime is 2668199. The reversal of 2668194 is 4918662.

It is a d-powerful number, because it can be written as 2²¹ + 6⁷ + 6⁷ + 8³ + 1 + 9⁴ + 4⁶ .

It is not an unprimeable number, because it can be changed into a prime (2668199) 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, 24652 + ... + 24759.

It is an arithmetic number, because the mean of its divisors is an integer number (370590).

2^2668194 is an apocalyptic number.

2668194 is an abundant number, since it is smaller than the sum of its proper divisors (3261246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2668194 is a wasteful number, since it uses less digits than its factorization.

2668194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49422 (or 49416 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2668194 is about 1633.4607433299. The cubic root of 2668194 is about 138.6987246619.

The spelling of 2668194 in words is "two million, six hundred sixty-eight thousand, one hundred ninety-four".