2609941 has 4 divisors (see below), whose sum is σ = 2635884. Its totient is φ = 2584000.

The previous prime is 2609911. The next prime is 2609947. The reversal of 2609941 is 1499062.

It is a happy number.

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 1745041 + 864900 = 1321^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609941 - 2⁷ = 2609813 is a prime.

It is a super-3 number, since 3×2609941³ = 53335125856668073863, which contains 333 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 (2609947) 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, 12820 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (658971).

2^2609941 is an apocalyptic number.

It is an amenable number.

2609941 is a deficient number, since it is larger than the sum of its proper divisors (25943).

2609941 is a wasteful number, since it uses less digits than its factorization.

2609941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25942.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2609941 is about 1615.5311819956. The cubic root of 2609941 is about 137.6819145900.

It can be divided in two parts, 260 and 9941, that added together give a palindrome (10201).

The spelling of 2609941 in words is "two million, six hundred nine thousand, nine hundred forty-one".