2392109 has 4 divisors (see below), whose sum is σ = 2396604. Its totient is φ = 2387616.

The previous prime is 2392099. The next prime is 2392127. The reversal of 2392109 is 9012932.

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 280900 + 2111209 = 530^2 + 1453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2392109 - 2¹² = 2388013 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2392139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (599151).

2^2392109 is an apocalyptic number.

It is an amenable number.

2392109 is a deficient number, since it is larger than the sum of its proper divisors (4495).

2392109 is an equidigital number, since it uses as much as digits as its factorization.

2392109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2392109 is about 1546.6444323114. The cubic root of 2392109 is about 133.7396929199.

The spelling of 2392109 in words is "two million, three hundred ninety-two thousand, one hundred nine".