2402109 has 16 divisors (see below), whose sum is σ = 3643200. Its totient is φ = 1563408.

The previous prime is 2402107. The next prime is 2402161. The reversal of 2402109 is 9012042.

It is not a de Polignac number, because 2402109 - 2¹ = 2402107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2402091 and 2402100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (227700).

2^2402109 is an apocalyptic number.

It is an amenable number.

2402109 is a deficient number, since it is larger than the sum of its proper divisors (1241091).

2402109 is a wasteful number, since it uses less digits than its factorization.

2402109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2402109 is about 1549.8738658355. The cubic root of 2402109 is about 133.9257961482.

The spelling of 2402109 in words is "two million, four hundred two thousand, one hundred nine".