2453839 has 4 divisors (see below), whose sum is σ = 2458456. Its totient is φ = 2449224.

The previous prime is 2453837. The next prime is 2453861. The reversal of 2453839 is 9383542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2453839 - 2¹ = 2453837 is a prime.

It is a Duffinian number.

2453839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453833) 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, 1389 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (614614).

2^2453839 is an apocalyptic number.

2453839 is a deficient number, since it is larger than the sum of its proper divisors (4617).

2453839 is an equidigital number, since it uses as much as digits as its factorization.

2453839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its digits is 25920, while the sum is 34.

The square root of 2453839 is about 1566.4734277989. The cubic root of 2453839 is about 134.8803512355.

The spelling of 2453839 in words is "two million, four hundred fifty-three thousand, eight hundred thirty-nine".