2609601 has 8 divisors (see below), whose sum is σ = 3491904. Its totient is φ = 1733520.

The previous prime is 2609599. The next prime is 2609639. The reversal of 2609601 is 1069062.

2609601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2609601 - 2¹ = 2609599 is a prime.

2609601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2609671) 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 7 ways as a sum of consecutive naturals, for example, 466 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (436488).

2^2609601 is an apocalyptic number.

2609601 is the 933-rd octagonal number.

It is an amenable number.

2609601 is a deficient number, since it is larger than the sum of its proper divisors (882303).

2609601 is a wasteful number, since it uses less digits than its factorization.

2609601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2609601 is about 1615.4259500206. The cubic root of 2609601 is about 137.6759356702.

The spelling of 2609601 in words is "two million, six hundred nine thousand, six hundred one".