2665194 has 64 divisors (see below), whose sum is σ = 6635520. Its totient is φ = 696960.

The previous prime is 2665189. The next prime is 2665199. The reversal of 2665194 is 4915662.

2665194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2665189) and next prime (2665199).

It is not an unprimeable number, because it can be changed into a prime (2665199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29902 + ... + 29990.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^2665194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3317760).

2665194 is an abundant number, since it is smaller than the sum of its proper divisors (3970326).

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

2665194 is a wasteful number, since it uses less digits than its factorization.

2665194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its digits is 12960, while the sum is 33.

The square root of 2665194 is about 1632.5421893476. The cubic root of 2665194 is about 138.6467229186.

It can be divided in two parts, 266 and 5194, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 2665194 in words is "two million, six hundred sixty-five thousand, one hundred ninety-four".