2397439 has 8 divisors (see below), whose sum is σ = 2753280. Its totient is φ = 2064600.

The previous prime is 2397403. The next prime is 2397449. The reversal of 2397439 is 9347932.

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

It is a cyclic number.

It is not a de Polignac number, because 2397439 - 2¹¹ = 2395391 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3¹² + 9 + 7⁶ + 4⁷ + 3¹³ + 9⁴ .

It is a Duffinian number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2397398 and 2397407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (344160).

2^2397439 is an apocalyptic number.

2397439 is a deficient number, since it is larger than the sum of its proper divisors (355841).

2397439 is a wasteful number, since it uses less digits than its factorization.

2397439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501.

The product of its digits is 40824, while the sum is 37.

The square root of 2397439 is about 1548.3665586676. The cubic root of 2397439 is about 133.8389503510.

The spelling of 2397439 in words is "two million, three hundred ninety-seven thousand, four hundred thirty-nine".