2609429 has 4 divisors (see below), whose sum is σ = 2612940. Its totient is φ = 2605920.

The previous prime is 2609423. The next prime is 2609443. The reversal of 2609429 is 9249062.

2609429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9249062 = 2 ⋅4624531.

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 1932100 = 823^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609429 - 2⁴ = 2609413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2609395 and 2609404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609423) 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 3 ways as a sum of consecutive naturals, for example, 152 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (653235).

2^2609429 is an apocalyptic number.

It is an amenable number.

2609429 is a deficient number, since it is larger than the sum of its proper divisors (3511).

2609429 is a wasteful number, since it uses less digits than its factorization.

2609429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2609429 is about 1615.3727124104. The cubic root of 2609429 is about 137.6729108423.

The spelling of 2609429 in words is "two million, six hundred nine thousand, four hundred twenty-nine".