2905266 has 64 divisors (see below), whose sum is σ = 7596288. Its totient is φ = 718848.

The previous prime is 2905241. The next prime is 2905267. The reversal of 2905266 is 6625092.

It is a d-powerful number, because it can be written as 2¹⁹ + 9³ + 0 + 5⁵ + 2²¹ + 6² + 6⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2905267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9126 + ... + 9438.

It is an arithmetic number, because the mean of its divisors is an integer number (118692).

2^2905266 is an apocalyptic number.

2905266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2905266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3798144).

2905266 is an abundant number, since it is smaller than the sum of its proper divisors (4691022).

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

2905266 is a wasteful number, since it uses less digits than its factorization.

2905266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2905266 is about 1704.4840861680. The cubic root of 2905266 is about 142.6905791092.

The spelling of 2905266 in words is "two million, nine hundred five thousand, two hundred sixty-six".