5780239 has 4 divisors (see below), whose sum is σ = 5785056. Its totient is φ = 5775424.

The previous prime is 5780231. The next prime is 5780249. The reversal of 5780239 is 9320875.

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.

It is a cyclic number.

It is not a de Polignac number, because 5780239 - 2³ = 5780231 is a prime.

It is a super-2 number, since 2×5780239² = 66822325794242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5780231) 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, 1002 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (1446264).

Almost surely, 2^5780239 is an apocalyptic number.

5780239 is a deficient number, since it is larger than the sum of its proper divisors (4817).

5780239 is a wasteful number, since it uses less digits than its factorization.

5780239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5780239 is about 2404.2127609677. The cubic root of 5780239 is about 179.4658961753.

The spelling of 5780239 in words is "five million, seven hundred eighty thousand, two hundred thirty-nine".